ALKALINE EARTH METALS

############################# Video Source: www.youtube.com/watch?v=K3ZMAWGONU0

For more information: • http://www.7activestudio.com • [email protected] • http://www.7activemedical.com/ • [email protected] • http://www.sciencetuts.com/ • [email protected] • Contact: +91- 9700061777, • 040-64501777 / 65864777 • • 7 Active Technology Solutions Pvt.Ltd. is an educational 3D digital content provider for K-12. We also customise the content as per your requirement for companies platform providers colleges etc . 7 Active driving force The Joy of Happy Learning -- is what makes difference from other digital content providers. We consider Student needs, Lecturer needs and College needs in designing the 3D 2D Animated Video Lectures. We are carrying a huge 3D Digital Library ready to use. • Alkaline Earth Metals:The elements Beryllium, Magnesium, Calcium, Strontium, Barium and Radium are the members of IIA group/group 2 in IUPAC.Oxides of these elements are basic thermally stable and do not melt even at high temperature. Hence these elements are called Alkaline earth metals,Abundance order in earth crust is • Calcium Magnesium Barium Strontium Beryllium. These elements are available as oxides, carbonates, sulphates and as halides • Minerals of alkaline earth metals: • Element: Beryllium Mineral: Beryl, Chrysoberyl, Phenacite • Element: Magnesium Mineral: Magnesite • Element: Calcium Mineral: Lime Stone, Marble, Calcite, Fluorapatite,GpsumAnhydriteDolomite • Element: Strontium Mineral:Celestite,Strontianite • Element: Barium Mineral: Barytes, Heavy spar, Whitherite • Element: Radium Mineral: Pitch blend, Carnotite • 2 Atomic size:Increases from Beryllium to Barium • 3 Reactivity:Increases from Beryllium to Barium • 4 Reducing nature:Increases from Beryllium to Barium • 5Electropositive nature:Increases from Beryllium to Barium • 6Polarizing power of cations:Decreases from Beryllium to Barium • 7 Hydration energy of cations:Decreases from Beryllium to Barium • 8 I.P, IP2Decreases from Beryllium to Barium • rO and Peroxides CaO2,SrO2.

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

New on site