C7 Rate of radioactive decay HL











>> YOUR LINK HERE: ___ http://youtube.com/watch?v=jZ0nzmtlFU0

Understandings: • Radioactive decay is kinetically a first order process with the half-life related to • the decay constant by the equation t1/2 = ln2/lamda • Applications and skills: • Solution of problems involving radioactive half-life. • Guidance: • Decay relationships are given in the data booklet in section 1.","styleRuns":[{"startIndex":0,"length":305,"styleRunExtensions":{"styleRunColorMapExtension":{"colorMap":[{"key":"USER_INTERFACE_THEME_DARK","value":4294967295},{"key":"USER_INTERFACE_THEME_LIGHT","value":4279440147}]}},"fontFamilyName":"Roboto"}]},"headerRuns":[{"startIndex":0,"length":305,"headerMapping":"ATTRIBUTED_STRING_HEADER_MAPPING_UNSPECIFIED"}]}},{"itemSectionRenderer":{"contents":[{"continuationItemRenderer":{"trigger":"CONTINUATION_TRIGGER_ON_ITEM_SHOWN","continuationEndpoint":{"clickTrackingParams":"COIBELsvGAIiEwi2so_o9u6LAxWuz0IFHaBkH3c=","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/next"}},"continuationCommand":{"token":"Eg0SC2paMG56bXRsRlUwGAYyJSIRIgtqWjBuem10bEZVMDAAeAJCEGNvbW1lbnRzLXNlY3Rpb24%3D","request":"CONTINUATION_REQUEST_TYPE_WATCH_NEXT"}}}}],"trackingParams":"COIBELsvGAIiEwi2so_o9u6LAxWuz0IFHaBkH3c=","sectionIdentifier":"comment-item-section","targetId":"comments-section"}}],"trackingParams":"COEBELovIhMItrKP6PbuiwMVrs9CBR2gZB93"}},"secondaryResults":{"secondaryResults":{"results":[{"compactVideoRenderer":{"videoId":"WTQvfvoOF3g","thumbnail":{"thumbnails":[{"url":"https://i.ytimg.com/vi/WTQvfvoOF3g/hqdefault.jpg?sqp=-oaymwEbCKgBEF5IVfKriqkDDggBFQAAiEIYAXABwAEG rs=AOn4CLBVyzxbJDyXgtDG5fROPfnke5aqNA","width":168,"height":94},{"url":"https://i.ytimg.com/vi/WTQvfvoOF3g/hqdefault.jpg?sqp=-oaymwEcCNACELwBSFXyq4qpAw4IARUAAIhCGAFwAcABBg== rs=AOn4CLDrmVovKok1hkhxypay-G9qrnTF9w","width":336,"height":188}]},"title":{"accessibility":{"accessibilityData":{"label":"Half Life Chemistry Problems - Nuclear Radioactive Decay Calculations Practice Examples by The Organic Chemistry Tutor 1,574,577 views 8 years ago 18 minutes"}},"simpleText":"Half Life Chemistry Problems - Nuclear Radioactive Decay Calculations Practice Examples"},"longBylineText":{"runs":[{"text":"The Organic Chemistry Tutor","navigationEndpoint":{"clickTrackingParams":"CNoBEKQwGAAiEwi2so_o9u6LAxWuz0IFHaBkH3cyB3JlbGF0ZWQ=","commandMetadata":{"webCommandMetadata":{"url":"/@TheOrganicChemistryTutor","webPageType":"WEB_PAGE_TYPE_CHANNEL","rootVe":3611,"apiUrl":"/youtubei/v1/browse"}},"browseEndpoint":{"browseId":"UCEWpbFLzoYGPfuWUMFPSaoA","canonicalBaseUrl":"/@TheOrganicChemistryTutor"}}}]},"publishedTimeText":{"simpleText":"8 years ago"},"viewCountText":{"simpleText":"1,574,577 views"},"lengthText":{"accessibility":{"accessibilityData":{"label":"18 minutes, 2 seconds"}},"simpleText":"18:02"},"navigationEndpoint":{"clickTrackingParams":"CNoBEKQwGAAiEwi2so_o9u6LAxWuz0IFHaBkH3cyB3JlbGF0ZWRIzaqU2-b5yc6NAZoBBQgBEPgd","commandMetadata":{"webCommandMetadata":{"url":"/watch?v=WTQvfvoOF3g","webPageType":"WEB_PAGE_TYPE_WATCH","rootVe":3832}},"watchEndpoint":{"videoId":"WTQvfvoOF3g","nofollow":true,"watchEndpointSupportedOnesieConfig":{"html5PlaybackOnesieConfig":{"commonConfig":{"url":"https://rr1---sn-uxaxiv0nxx5q-nv4l.googlevideo.com/initplayback?source=youtube oeis=1 c=WEB oad=3200 ovd=3200 oaad=11000 oavd=11000 ocs=700 oewis=1 oputc=1 ofpcc=1 msp=1 odepv=1 id=59342f7efa0e1778 ip=2a02%3A27aa%3A0%3A0%3A0%3A0%3A0%3Ad49 initcwndbps=950000 mt=1741039504 oweuc= pxtags=Cg4KAnR4Egg1MTM5MzE1Nw rxtags=Cg4KAnR4Egg1MTM5MzE1NA%2CCg4KAnR4Egg1MTM5MzE1NQ%2CCg4KAnR4Egg1MTM5MzE1Ng%2CCg4KAnR4Egg1MTM5MzE1Nw%2CCg4KAnR4Egg1MTM5MzE1OA"}}}}},"shortBylineText":{"runs":[{"text":"The Organic Chemistry Tutor","navigationEndpoint":{"clickTrackingParams":"CNoBEKQwGAAiEwi2so_o9u6LAxWuz0IFHaBkH3cyB3JlbGF0ZWQ=","commandMetadata":{"webCommandMetadata":{"url":"/@TheOrganicChemistryTutor","webPageType":"WEB_PAGE_TYPE_CHANNEL","rootVe":3611,"apiUrl":"/youtubei/v1/browse"}},"browseEndpoint":{"browseId":"UCEWpbFLzoYGPfuWUMFPSaoA","canonicalBaseUrl":"/@TheOrganicChemistryTutor"}}}]},"channelThumbnail":{"thumbnails":[{"url":"https://yt3.ggpht.com/ytc/AIdro_lOQikQsmqQS3dG9VBvbJ03Eqqw7NshUvDNorj5UAZL6M0=s68-c-k-c0x00ffffff-no-rj","width":68,"height":68}]},"ownerBadges":[{"metadataBadgeRenderer":{"icon":{"iconType":"CHECK_CIRCLE_THICK"},"style":"BADGE_STYLE_TYPE_VERIFIED","tooltip":"Verified","trackingParams":"CNoBEKQwGAAiEwi2so_o9u6LAxWuz0IFHaBkH3c=","accessibilityData":{"label":"Verified"}}}],"trackingParams":"CNoBEKQwGAAiEwi2so_o9u6LAxWuz0IFHaBkH3dA-K640O_vi5pZ","shortViewCountText":{"accessibility":{"accessibilityData":{"label":"1.5 million views"}},"simpleText":"1.5M views"},"menu":{"menuRenderer":{"items":[{"menuServiceItemRenderer":{"text":{"runs":[{"text":"Add to queue"}]},"icon":{"iconType":"ADD_TO_QUEUE_TAIL"},"serviceEndpoint":{"clickTrackingParams":"CN8BEP6YBBgGIhMItrKP6PbuiwMVrs9CBR2gZB93","commandMetadata":{"webCommandMetadata":{"sendPost":true}},"signalServiceEndpoint":{"signal":"CLIENT_SIGNAL","actions":[{"clickTrackingParams":"CN8BEP6YBBgGIhMItrKP6PbuiwMVrs9CBR2gZB93","addToPlaylistCommand":{"openMiniplayer":false,"openListPanel":true,"videoId":"WTQvfvoOF3g","listType":"PLAYLIST_EDIT_LIST_TYPE_QUEUE","onCreateListCommand":{"clickTrackingParams":"CN8BEP6YBBgGIhMItrKP6PbuiwMVrs9CBR2gZB93","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/playlist/create"}},"createPlaylistServiceEndpoint":{"videoIds":["WTQvfvoOF3g"],"params":"CAQ%3D"}},"videoIds":["WTQvfvoOF3g"]}},{"clickTrackingParams":"CN8BEP6YBBgGIhMItrKP6PbuiwMVrs9CBR2gZB93","openPopupAction":{"popup":{"notificationActionRenderer":{"responseText":{"simpleText":"Added to queue"},"trackingParams":"COABELlqIhMItrKP6PbuiwMVrs9CBR2gZB93"}},"popupType":"TOAST"}}]}},"trackingParams":"CN8BEP6YBBgGIhMItrKP6PbuiwMVrs9CBR2gZB93"}},{"menuServiceItemDownloadRenderer":{"serviceEndpoint":{"clickTrackingParams":"CN4BENGqBRgHIhMItrKP6PbuiwMVrs9CBR2gZB93","offlineVideoEndpoint":{"videoId":"WTQvfvoOF3g","onAddCommand":{"clickTrackingParams":"CN4BENGqBRgHIhMItrKP6PbuiwMVrs9CBR2gZB93","getDownloadActionCommand":{"videoId":"WTQvfvoOF3g","params":"CAIQAA%3D%3D"}}}},"trackingParams":"CN4BENGqBRgHIhMItrKP6PbuiwMVrs9CBR2gZB93"}},{"menuServiceItemRenderer":{"text":{"runs":[{"text":"Share"}]},"icon":{"iconType":"SHARE"},"serviceEndpoint":{"clickTrackingParams":"CNoBEKQwGAAiEwi2so_o9u6LAxWuz0IFHaBkH3c=","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/share/get_share_panel"}},"shareEntityServiceEndpoint":{"serializedShareEntity":"CgtXVFF2ZnZvT0YzZw%3D%3D","commands":[{"clickTrackingParams":"CNoBEKQwGAAiEwi2so_o9u6LAxWuz0IFHaBkH3c=","openPopupAction":{"popup":{"unifiedSharePanelRenderer":{"trackingParams":"CN0BEI5iIhMItrKP6PbuiwMVrs9CBR2gZB93","showLoadingSpinner":true}},"popupType":"DIALOG","beReused":true}}]}},"trackingParams":"CNoBEKQwGAAiEwi2so_o9u6LAxWuz0IFHaBkH3c=","hasSeparator":true}}],"trackingParams":"CNoBEKQwGAAiEwi2so_o9u6LAxWuz0IFHaBkH3c=","accessibility":{"accessibilityData":{"label":"Action menu"}},"targetId":"watch-related-menu-button"}},"thumbnailOverlays":[{"thumbnailOverlayTimeStatusRenderer":{"text":{"accessibility":{"accessibilityData":{"label":"18 minutes, 2 seconds"}},"simpleText":"18:02"},"style":"DEFAULT"}},{"thumbnailOverlayToggleButtonRenderer":{"isToggled":false,"untoggledIcon":{"iconType":"WATCH_LATER"},"toggledIcon":{"iconType":"CHECK"},"untoggledTooltip":"Watch later","toggledTooltip":"Added","untoggledServiceEndpoint":{"clickTrackingParams":"CNwBEPnnAxgCIhMItrKP6PbuiwMVrs9CBR2gZB93","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/browse/edit_playlist"}},"playlistEditEndpoint":{"playlistId":"WL","actions":[{"addedVideoId":"WTQvfvoOF3g","action":"ACTION_ADD_VIDEO"}]}},"toggledServiceEndpoint":{"clickTrackingParams":"CNwBEPnnAxgCIhMItrKP6PbuiwMVrs9CBR2gZB93","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/browse/edit_playlist"}},"playlistEditEndpoint":{"playlistId":"WL","actions":[{"action":"ACTION_REMOVE_VIDEO_BY_VIDEO_ID","removedVideoId":"WTQvfvoOF3g"}]}},"untoggledAccessibility":{"accessibilityData":{"label":"Watch later"}},"toggledAccessibility":{"accessibilityData":{"label":"Added"}},"trackingParams":"CNwBEPnnAxgCIhMItrKP6PbuiwMVrs9CBR2gZB93"}},{"thumbnailOverlayToggleButtonRenderer":{"untoggledIcon":{"iconType":"ADD_TO_QUEUE_TAIL"},"toggledIcon":{"iconType":"PLAYLIST_ADD_CHECK"},"untoggledTooltip":"Add to queue","toggledTooltip":"Added","untoggledServiceEndpoint":{"clickTrackingParams":"CNsBEMfsBBgDIhMItrKP6PbuiwMVrs9CBR2gZB93","commandMetadata":{"webCommandMetadata":{"sendPost":true}},"signalServiceEndpoint":{"signal":"CLIENT_SIGNAL","actions":[{"clickTrackingParams":"CNsBEMfsBBgDIhMItrKP6PbuiwMVrs9CBR2gZB93","addToPlaylistCommand":{"openMiniplayer":false,"openListPanel":true,"videoId":"WTQvfvoOF3g","listType":"PLAYLIST_EDIT_LIST_TYPE_QUEUE","onCreateListCommand":{"clickTrackingParams":"CNsBEMfsBBgDIhMItrKP6PbuiwMVrs9CBR2gZB93","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/playlist/create"}},"createPlaylistServiceEndpoint":{"videoIds":["WTQvfvoOF3g"],"params":"CAQ%3D"}},"videoIds":["WTQvfvoOF3g"]}}]}},"untoggledAccessibility":{"accessibilityData":{"label":"Add to queue"}},"toggledAccessibility":{"accessibilityData":{"label":"Added"}},"trackingParams":"CNsBEMfsBBgDIhMItrKP6PbuiwMVrs9CBR2gZB93"}},{"thumbnailOverlayNowPlayingRenderer":{"text":{"runs":[{"text":"Now playing"}]}}}],"accessibility":{"accessibilityData":{"label":"Half Life Chemistry Problems - Nuclear Radioactive Decay Calculations Practice Examples - 18 minutes - Go to channel - The Organic Chemistry Tutor - 1.5M views - 8 years ago - play video"}},"richThumbnail":{"movingThumbnailRenderer":{"enableHoveredLogging":true,"enableOverlay":true}}}},{"compactVideoRenderer":{"videoId":"zXw2cOSBB8E","thumbnail":{"thumbnails":[{"url":"https://i.ytimg.com/vi/zXw2cOSBB8E/hqdefault.jpg?sqp=-oaymwEbCKgBEF5IVfKriqkDDggBFQAAiEIYAXABwAEG rs=AOn4CLDHSI8y2TYLglbVPTdbLDRnMjVfOg","width":168,"height":94},{"url":"https://i.ytimg.com/vi/zXw2cOSBB8E/hqdefault.jpg?sqp=-oaymwEcCNACELwBSFXyq4qpAw4IARUAAIhCGAFwAcABBg== rs=AOn4CLBOIrIFsZr3bl7J9uPg9PcGp20a6w","width":336,"height":188}]},"title":{"accessibility":{"accessibilityData":{"label":"GCSE Physics - Radioactive Decay and Half Life by Cognito 735,584 views 5 years ago 6 minutes, 27 seconds"}},"simpleText":"GCSE Physics - Radioactive Decay and Half Life"},"longBylineText":{"runs":[{"text":"Cognito","navigationEndpoint":{"clickTrackingParams":"CNMBEKQwGAEiEwi2so_o9u6LAxWuz0IFHaBkH3cyB3JlbGF0ZWQ=","commandMetadata":{"webCommandMetadata":{"url":"/@Cognitoedu","webPageType":"WEB_PAGE_TYPE_CHANNEL","rootVe":3611,"apiUrl":"/youtubei/v1/browse"}},"browseEndpoint":{"browseId":"UCaGEe4KXZrjou9kQx6ezG2w","canonicalBaseUrl":"/@Cognitoedu"}}}]},"publishedTimeText":{"simpleText":"5 years ago"},"viewCountText":{"simpleText":"735,584 views"},"lengthText":{"accessibility":{"accessibilityData":{"label":"6 minutes, 27 seconds"}},"simpleText":"6:27"},"navigationEndpoint":{"clickTrackingParams":"CNMBEKQwGAEiEwi2so_o9u6LAxWuz0IFHaBkH3cyB3JlbGF0ZWRIzaqU2-b5yc6NAZoBBQgBEPgd","commandMetadata":{"webCommandMetadata":{"url":"/watch?v=zXw2cOSBB8E","webPageType":"WEB_PAGE_TYPE_WATCH","rootVe":3832}},"watchEndpoint":{"videoId":"zXw2cOSBB8E","nofollow":true,"watchEndpointSupportedOnesieConfig":{"html5PlaybackOnesieConfig":{"commonConfig":{"url":"https://rr1---sn-nvm-cxb6.googlevideo.com/initplayback?source=youtube oeis=1 c=WEB oad=3200 ovd=3200 oaad=11000 oavd=11000 ocs=700 oewis=1 oputc=1 ofpcc=1 msp=1 odepv=1 id=cd7c3670e48107c1 ip=2a02%3A27aa%3A0%3A0%3A0%3A0%3A0%3Ad49 initcwndbps=973750 mt=1741039504 oweuc= pxtags=Cg4KAnR4Egg1MTM5MzE1Nw rxtags=Cg4KAnR4Egg1MTM5MzE1NA%2CCg4KAnR4Egg1MTM5MzE1NQ%2CCg4KAnR4Egg1MTM5MzE1Ng%2CCg4KAnR4Egg1MTM5MzE1Nw%2CCg4KAnR4Egg1MTM5MzE1OA"}}}}},"shortBylineText":{"runs":[{"text":"Cognito","navigationEndpoint":{"clickTrackingParams":"CNMBEKQwGAEiEwi2so_o9u6LAxWuz0IFHaBkH3cyB3JlbGF0ZWQ=","commandMetadata":{"webCommandMetadata":{"url":"/@Cognitoedu","webPageType":"WEB_PAGE_TYPE_CHANNEL","rootVe":3611,"apiUrl":"/youtubei/v1/browse"}},"browseEndpoint":{"browseId":"UCaGEe4KXZrjou9kQx6ezG2w","canonicalBaseUrl":"/@Cognitoedu"}}}]},"channelThumbnail":{"thumbnails":[{"url":"https://yt3.ggpht.com/tAkXO6VwSnU0cybnEf9kLXu5Sysy74eHgKXVbtXs4SqCn8lkcr47szZYUrVYRoWg7THkeUI3VA=s68-c-k-c0x00ffffff-no-rj","width":68,"height":68}]},"ownerBadges":[{"metadataBadgeRenderer":{"icon":{"iconType":"CHECK_CIRCLE_THICK"},"style":"BADGE_STYLE_TYPE_VERIFIED","tooltip":"Verified","trackingParams":"CNMBEKQwGAEiEwi2so_o9u6LAxWuz0IFHaBkH3c=","accessibilityData":{"label":"Verified"}}}],"trackingParams":"CNMBEKQwGAEiEwi2so_o9u6LAxWuz0IFHaBkH3dAwY-EpI7Ojb7NAQ==","shortViewCountText":{"accessibility":{"accessibilityData":{"label":"735K views"}},"simpleText":"735K views"},"menu":{"menuRenderer":{"items":[{"menuServiceItemRenderer":{"text":{"runs":[{"text":"Add to queue"}]},"icon":{"iconType":"ADD_TO_QUEUE_TAIL"},"serviceEndpoint":{"clickTrackingParams":"CNgBEP6YBBgGIhMItrKP6PbuiwMVrs9CBR2gZB93","commandMetadata":{"webCommandMetadata":{"sendPost":true}},"signalServiceEndpoint":{"signal":"CLIENT_SIGNAL","actions":[{"clickTrackingParams":"CNgBEP6YBBgGIhMItrKP6PbuiwMVrs9CBR2gZB93","addToPlaylistCommand":{"openMiniplayer":false,"openListPanel":true,"videoId":"zXw2cOSBB8E","listType":"PLAYLIST_EDIT_LIST_TYPE_QUEUE","onCreateListCommand":{"clickTrackingParams":"CNgBEP6YBBgGIhMItrKP6PbuiwMVrs9CBR2gZB93","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/playlist/create"}},"createPlaylistServiceEndpoint":{"videoIds":["zXw2cOSBB8E"],"params":"CAQ%3D"}},"videoIds":["zXw2cOSBB8E"]}},{"clickTrackingParams":"CNgBEP6YBBgGIhMItrKP6PbuiwMVrs9CBR2gZB93","openPopupAction":{"popup":{"notificationActionRenderer":{"responseText":{"simpleText":"Added to queue"},"trackingParams":"CNkBELlqIhMItrKP6PbuiwMVrs9CBR2gZB93"}},"popupType":"TOAST"}}]}},"trackingParams":"CNgBEP6YBBgGIhMItrKP6PbuiwMVrs9CBR2gZB93"}},{"menuServiceItemDownloadRenderer":{"serviceEndpoint":{"clickTrackingParams":"CNcBENGqBRgHIhMItrKP6PbuiwMVrs9CBR2gZB93","offlineVideoEndpoint":{"videoId":"zXw2cOSBB8E","onAddCommand":{"clickTrackingParams":"CNcBENGqBRgHIhMItrKP6PbuiwMVrs9CBR2gZB93","getDownloadActionCommand":{"videoId":"zXw2cOSBB8E","params":"CAIQAA%3D%3D"}}}},"trackingParams":"CNcBENGqBRgHIhMItrKP6PbuiwMVrs9CBR2gZB93"}},{"menuServiceItemRenderer":{"text":{"runs":[{"text":"Share"}]},"icon":{"iconType":"SHARE"},"serviceEndpoint":{"clickTrackingParams":"CNMBEKQwGAEiEwi2so_o9u6LAxWuz0IFHaBkH3c=","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/share/get_share_panel"}},"shareEntityServiceEndpoint":{"serializedShareEntity":"Cgt6WHcyY09TQkI4RQ%3D%3D","commands":[{"clickTrackingParams":"CNMBEKQwGAEiEwi2so_o9u6LAxWuz0IFHaBkH3c=","openPopupAction":{"popup":{"unifiedSharePanelRenderer":{"trackingParams":"CNYBEI5iIhMItrKP6PbuiwMVrs9CBR2gZB93","showLoadingSpinner":true}},"popupType":"DIALOG","beReused":true}}]}},"trackingParams":"CNMBEKQwGAEiEwi2so_o9u6LAxWuz0IFHaBkH3c=","hasSeparator":true}}],"trackingParams":"CNMBEKQwGAEiEwi2so_o9u6LAxWuz0IFHaBkH3c=","accessibility":{"accessibilityData":{"label":"Action menu"}}}},"thumbnailOverlays":[{"thumbnailOverlayTimeStatusRenderer":{"text":{"accessibility":{"accessibilityData":{"label":"6 minutes, 27 seconds"}},"simpleText":"6:27"},"style":"DEFAULT"}},{"thumbnailOverlayToggleButtonRenderer":{"isToggled":false,"untoggledIcon":{"iconType":"WATCH_LATER"},"toggledIcon":{"iconType":"CHECK"},"untoggledTooltip":"Watch later","toggledTooltip":"Added","untoggledServiceEndpoint":{"clickTrackingParams":"CNUBEPnnAxgCIhMItrKP6PbuiwMVrs9CBR2gZB93","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/browse/edit_playlist"}},"playlistEditEndpoint":{"playlistId":"WL","actions":[{"addedVideoId":"zXw2cOSBB8E","action":"ACTION_ADD_VIDEO"}]}},"toggledServiceEndpoint":{"clickTrackingParams":"CNUBEPnnAxgCIhMItrKP6PbuiwMVrs9CBR2gZB93","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/browse/edit_playlist"}},"playlistEditEndpoint":{"playlistId":"WL","actions":[{"action":"ACTION_REMOVE_VIDEO_BY_VIDEO_ID","removedVideoId":"zXw2cOSBB8E"}]}},"untoggledAccessibility":{"accessibilityData":{"label":"Watch later"}},"toggledAccessibility":{"accessibilityData":{"label":"Added"}},"trackingParams":"CNUBEPnnAxgCIhMItrKP6PbuiwMVrs9CBR2gZB93"}},{"thumbnailOverlayToggleButtonRenderer":{"untoggledIcon":{"iconType":"ADD_TO_QUEUE_TAIL"},"toggledIcon":{"iconType":"PLAYLIST_ADD_CHECK"},"untoggledTooltip":"Add to queue","toggledTooltip":"Added","untoggledServiceEndpoint":{"clickTrackingParams":"CNQBEMfsBBgDIhMItrKP6PbuiwMVrs9CBR2gZB93","commandMetadata":{"webCommandMetadata":{"sendPost":true}},"signalServiceEndpoint":{"signal":"CLIENT_SIGNAL","actions":[{"clickTrackingParams":"CNQBEMfsBBgDIhMItrKP6PbuiwMVrs9CBR2gZB93","addToPlaylistCommand":{"openMiniplayer":false,"openListPanel":true,"videoId":"zXw2cOSBB8E","listType":"PLAYLIST_EDIT_LIST_TYPE_QUEUE","onCreateListCommand":{"clickTrackingParams":"CNQBEMfsBBgDIhMItrKP6PbuiwMVrs9CBR2gZB93","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/playlist/create"}},"createPlaylistServiceEndpoint":{"videoIds":["zXw2cOSBB8E"],"params":"CAQ%3D"}},"videoIds":["zXw2cOSBB8E"]}}]}},"untoggledAccessibility":{"accessibilityData":{"label":"Add to queue"}},"toggledAccessibility":{"accessibilityData":{"label":"Added"}},"trackingParams":"CNQBEMfsBBgDIhMItrKP6PbuiwMVrs9CBR2gZB93"}},{"thumbnailOverlayNowPlayingRenderer":{"text":{"runs":[{"text":"Now playing"}]}}}],"accessibility":{"accessibilityData":{"label":"GCSE Physics - Radioactive Decay and Half Life - 6 minutes, 27 seconds - Go to channel - Cognito - 735K views - 5 years ago - play video"}},"richThumbnail":{"movingThumbnailRenderer":{"enableHoveredLogging":true,"enableOverlay":true}}}},{"compactVideoRenderer":{"videoId":"F3NSfTXTl7E","thumbnail":{"thumbnails":[{"url":"https://i.ytimg.com/vi/F3NSfTXTl7E/hqdefault.jpg?sqp=-oaymwEbCKgBEF5IVfKriqkDDggBFQAAiEIYAXABwAEG rs=AOn4CLCopI5oBa1LZiMz5VvLYFwsK9qjiw","width":168,"height":94},{"url":"https://i.ytimg.com/vi/F3NSfTXTl7E/hqdefault.jpg?sqp=-oaymwEcCNACELwBSFXyq4qpAw4IARUAAIhCGAFwAcABBg== rs=AOn4CLAQofbuwTOMfCIV1IhcC_4uKbSEtA","width":336,"height":188}]},"title":{"accessibility":{"accessibilityData":{"label":"Nuclear Chemistry Radioactive Decay Practice Problems by The Organic Chemistry Tutor 192,121 views 4 years ago 26 minutes"}},"simpleText":"Nuclear Chemistry Radioactive Decay Practice Problems"},"longBylineText":{"runs":[{"text":"The Organic Chemistry Tutor","navigationEndpoint":{"clickTrackingParams":"CMwBEKQwGAIiEwi2so_o9u6LAxWuz0IFHaBkH3cyB3JlbGF0ZWQ=","commandMetadata":{"webCommandMetadata":{"url":"/@TheOrganicChemistryTutor","webPageType":"WEB_PAGE_TYPE_CHANNEL","rootVe":3611,"apiUrl":"/youtubei/v1/browse"}},"browseEndpoint":{"browseId":"UCEWpbFLzoYGPfuWUMFPSaoA","canonicalBaseUrl":"/@TheOrganicChemistryTutor"}}}]},"publishedTimeText":{"simpleText":"4 years ago"},"viewCountText":{"simpleText":"192,121 views"},"lengthText":{"accessibility":{"accessibilityData":{"label":"26 minutes, 53 seconds"}},"simpleText":"26:53"},"navigationEndpoint":{"clickTrackingParams":"CMwBEKQwGAIiEwi2so_o9u6LAxWuz0IFHaBkH3cyB3JlbGF0ZWRIzaqU2-b5yc6NAZoBBQgBEPgd","commandMetadata":{"webCommandMetadata":{"url":"/watch?v=F3NSfTXTl7E","webPageType":"WEB_PAGE_TYPE_WATCH","rootVe":3832}},"watchEndpoint":{"videoId":"F3NSfTXTl7E","nofollow":true,"watchEndpointSupportedOnesieConfig":{"html5PlaybackOnesieConfig":{"commonConfig":{"url":"https://rr1---sn-uxaxiv0nxx5q-nv4l.googlevideo.com/initplayback?source=youtube oeis=1 c=WEB oad=3200 ovd=3200 oaad=11000 oavd=11000 ocs=700 oewis=1 oputc=1 ofpcc=1 msp=1 odepv=1 id=1773527d35d397b1 ip=2a02%3A27aa%3A0%3A0%3A0%3A0%3A0%3Ad49 initcwndbps=950000 mt=1741039504 oweuc= pxtags=Cg4KAnR4Egg1MTM5MzE1Nw rxtags=Cg4KAnR4Egg1MTM5MzE1NA%2CCg4KAnR4Egg1MTM5MzE1NQ%2CCg4KAnR4Egg1MTM5MzE1Ng%2CCg4KAnR4Egg1MTM5MzE1Nw%2CCg4KAnR4Egg1MTM5MzE1OA"}}}}},"shortBylineText":{"runs":[{"text":"The Organic Chemistry Tutor","navigationEndpoint":{"clickTrackingParams":"CMwBEKQwGAIiEwi2so_o9u6LAxWuz0IFHaBkH3cyB3JlbGF0ZWQ=","commandMetadata":{"webCommandMetadata":{"url":"/@TheOrganicChemistryTutor","webPageType":"WEB_PAGE_TYPE_CHANNEL","rootVe":3611,"apiUrl":"/youtubei/v1/browse"}},"browseEndpoint":{"browseId":"UCEWpbFLzoYGPfuWUMFPSaoA","canonicalBaseUrl":"/@TheOrganicChemistryTutor"}}}]},"channelThumbnail":{"thumbnails":[{"url":"https://yt3.ggpht.com/ytc/AIdro_lOQikQsmqQS3dG9VBvbJ03Eqqw7NshUvDNorj5UAZL6M0=s68-c-k-c0x00ffffff-no-rj","width":68,"height":68}]},"ownerBadges":[{"metadataBadgeRenderer":{"icon":{"iconType":"CHECK_CIRCLE_THICK"},"style":"BADGE_STYLE_TYPE_VERIFIED","tooltip":"Verified","trackingParams":"CMwBEKQwGAIiEwi2so_o9u6LAxWuz0IFHaBkH3c=","accessibilityData":{"label":"Verified"}}}],"trackingParams":"CMwBEKQwGAIiEwi2so_o9u6LAxWuz0IFHaBkH3dAsa_OrtPP1LkX","shortViewCountText":{"accessibility":{"accessibilityData":{"label":"192K views"}},"simpleText":"192K views"},"menu":{"menuRenderer":{"items":[{"menuServiceItemRenderer":{"text":{"runs":[{"text":"Add to queue"}]},"icon":{"iconType":"ADD_TO_QUEUE_TAIL"},"serviceEndpoint":{"clickTrackingParams":"CNEBEP6YBBgGIhMItrKP6PbuiwMVrs9CBR2gZB93","commandMetadata":{"webCommandMetadata":{"sendPost":true}},"signalServiceEndpoint":{"signal":"CLIENT_SIGNAL","actions":[{"clickTrackingParams":"CNEBEP6YBBgGIhMItrKP6PbuiwMVrs9CBR2gZB93","addToPlaylistCommand":{"openMiniplayer":false,"openListPanel":true,"videoId":"F3NSfTXTl7E","listType":"PLAYLIST_EDIT_LIST_TYPE_QUEUE","onCreateListCommand":{"clickTrackingParams":"CNEBEP6YBBgGIhMItrKP6PbuiwMVrs9CBR2gZB93","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/playlist/create"}},"createPlaylistServiceEndpoint":{"videoIds":["F3NSfTXTl7E"],"params":"CAQ%3D"}},"videoIds":["F3NSfTXTl7E"]}},{"clickTrackingParams":"CNEBEP6YBBgGIhMItrKP6PbuiwMVrs9CBR2gZB93","openPopupAction":{"popup":{"notificationActionRenderer":{"responseText":{"simpleText":"Added to queue"},"trackingParams":"CNIBELlqIhMItrKP6PbuiwMVrs9CBR2gZB93"}},"popupType":"TOAST"}}]}},"trackingParams":"CNEBEP6YBBgGIhMItrKP6PbuiwMVrs9CBR2gZB93"}},{"menuServiceItemDownloadRenderer":{"serviceEndpoint":{"clickTrackingParams":"CNABENGqBRgHIhMItrKP6PbuiwMVrs9CBR2gZB93","offlineVideoEndpoint":{"videoId":"F3NSfTXTl7E","onAddCommand":{"clickTrackingParams":"CNABENGqBRgHIhMItrKP6PbuiwMVrs9CBR2gZB93","getDownloadActionCommand":{"videoId":"F3NSfTXTl7E","params":"CAIQAA%3D%3D"}}}},"trackingParams":"CNABENGqBRgHIhMItrKP6PbuiwMVrs9CBR2gZB93"}},{"menuServiceItemRenderer":{"text":{"runs":[{"text":"Share"}]},"icon":{"iconType":"SHARE"},"serviceEndpoint":{"clickTrackingParams":"CMwBEKQwGAIiEwi2so_o9u6LAxWuz0IFHaBkH3c=","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/share/get_share_panel"}},"shareEntityServiceEndpoint":{"serializedShareEntity":"CgtGM05TZlRYVGw3RQ%3D%3D","commands":[{"clickTrackingParams":"CMwBEKQwGAIiEwi2so_o9u6LAxWuz0IFHaBkH3c=","openPopupAction":{"popup":{"unifiedSharePanelRenderer":{"trackingParams":"CM8BEI5iIhMItrKP6PbuiwMVrs9CBR2gZB93","showLoadingSpinner":true}},"popupType":"DIALOG","beReused":true}}]}},"trackingParams":"CMwBEKQwGAIiEwi2so_o9u6LAxWuz0IFHaBkH3c=","hasSeparator":true}}],"trackingParams":"CMwBEKQwGAIiEwi2so_o9u6LAxWuz0IFHaBkH3c=","accessibility":{"accessibilityData":{"label":"Action menu"}}}},"thumbnailOverlays":[{"thumbnailOverlayTimeStatusRenderer":{"text":{"accessibility":{"accessibilityData":{"label":"26 minutes, 53 seconds"}},"simpleText":"26:53"},"style":"DEFAULT"}},{"thumbnailOverlayToggleButtonRenderer":{"isToggled":false,"untoggledIcon":{"iconType":"WATCH_LATER"},"toggledIcon":{"iconType":"CHECK"},"untoggledTooltip":"Watch later","toggledTooltip":"Added","untoggledServiceEndpoint":{"clickTrackingParams":"CM4BEPnnAxgCIhMItrKP6PbuiwMVrs9CBR2gZB93","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/browse/edit_playlist"}},"playlistEditEndpoint":{"playlistId":"WL","actions":[{"addedVideoId":"F3NSfTXTl7E","action":"ACTION_ADD_VIDEO"}]}},"toggledServiceEndpoint":{"clickTrackingParams":"CM4BEPnnAxgCIhMItrKP6PbuiwMVrs9CBR2gZB93","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/browse/edit_playlist"}},"playlistEditEndpoint":{"playlistId":"WL","actions":[{"action":"ACTION_REMOVE_VIDEO_BY_VIDEO_ID","removedVideoId":"F3NSfTXTl7E"}]}},"untoggledAccessibility":{"accessibilityData":{"label":"Watch later"}},"toggledAccessibility":{"accessibilityData":{"label":"Added"}},"trackingParams":"CM4BEPnnAxgCIhMItrKP6PbuiwMVrs9CBR2gZB93"}},{"thumbnailOverlayToggleButtonRenderer":{"untoggledIcon":{"iconType":"ADD_TO_QUEUE_TAIL"},"toggledIcon":{"iconType":"PLAYLIST_ADD_CHECK"},"untoggledTooltip":"Add to queue","toggledTooltip":"Added","untoggledServiceEndpoint":{"clickTrackingParams":"CM0BEMfsBBgDIhMItrKP6PbuiwMVrs9CBR2gZB93","commandMetadata":{"webCommandMetadata":{"sendPost":true}},"signalServiceEndpoint":{"signal":"CLIENT_SIGNAL","actions":[{"clickTrackingParams":"CM0BEMfsBBgDIhMItrKP6PbuiwMVrs9CBR2gZB93","addToPlaylistCommand":{"openMiniplayer":false,"openListPanel":true,"videoId":"F3NSfTXTl7E","listType":"PLAYLIST_EDIT_LIST_TYPE_QUEUE","onCreateListCommand":{"clickTrackingParams":"CM0BEMfsBBgDIhMItrKP6PbuiwMVrs9CBR2gZB93","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/playlist/create"}},"createPlaylistServiceEndpoint":{"videoIds":["F3NSfTXTl7E"],"params":"CAQ%3D"}},"videoIds":["F3NSfTXTl7E"]}}]}},"untoggledAccessibility":{"accessibilityData":{"label":"Add to queue"}},"toggledAccessibility":{"accessibilityData":{"label":"Added"}},"trackingParams":"CM0BEMfsBBgDIhMItrKP6PbuiwMVrs9CBR2gZB93"}},{"thumbnailOverlayNowPlayingRenderer":{"text":{"runs":[{"text":"Now playing"}]}}}],"accessibility":{"accessibilityData":{"label":"Nuclear Chemistry Radioactive Decay Practice Problems - 26 minutes - Go to channel - The Organic Chemistry Tutor - 192K views - 4 years ago - play video"}},"richThumbnail":{"movingThumbnailRenderer":{"enableHoveredLogging":true,"enableOverlay":true}}}},{"lockupViewModel":{"contentImage":{"collectionThumbnailViewModel":{"primaryThumbnail":{"thumbnailViewModel":{"image":{"sources":[{"url":"https://i.ytimg.com/vi/P_SD5Rt6XMk/hqdefault.jpg?sqp=-oaymwEWCKgBEF5IWvKriqkDCQgBFQAAiEIYAQ== rs=AOn4CLCySHnaIJy9oBSbRP2U1G_VVTFLZQ","width":168,"height":94},{"url":"https://i.ytimg.com/vi/P_SD5Rt6XMk/hqdefault.jpg?sqp=-oaymwEXCNACELwBSFryq4qpAwkIARUAAIhCGAE= rs=AOn4CLC-lMjv8g_r-0RfIj3Ngt2_1ersRg","width":336,"height":188}]},"overlays":[{"thumbnailOverlayBadgeViewModel":{"thumbnailBadges":[{"thumbnailBadgeViewModel":{"icon":{"sources":[{"clientResource":{"imageName":"PLAYLISTS"}}]},"text":"7 videos","badgeStyle":"THUMBNAIL_OVERLAY_BADGE_STYLE_DEFAULT","backgroundColor":{"lightTheme":1648144,"darkTheme":1648144}}}],"position":"THUMBNAIL_OVERLAY_BADGE_POSITION_BOTTOM_END"}},{"thumbnailHoverOverlayViewModel":{"icon":{"sources":[{"clientResource":{"imageName":"PLAY_ALL"}}]},"text":{"content":"Play all","styleRuns":[{"startIndex":0,"length":8}]},"style":"THUMBNAIL_HOVER_OVERLAY_STYLE_COVER"}}],"backgroundColor":{"lightTheme":2768666,"darkTheme":2768666}}},"stackColor":{"lightTheme":8296811,"darkTheme":8162416}}},"metadata":{"lockupMetadataViewModel":{"title":{"content":"Nuclear physics | Physics"},"metadata":{"contentMetadataViewModel":{"metadataRows":[{"metadataParts":[{"text":{"content":"Khan Academy

#############################









Content Report
Youtor.org / YTube video Downloader © 2025

created by www.youtor.org