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Electron Configuration for Pb Pb2 and Pb4 Lead and Lead Ions
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To write the configuration for the Iron ions, first we need to write the electron configuration for just Lead (Pb). We first need to find the number of electrons for the Pb atom (there are 82 electrons) using the Periodic Table. When we write the configuration, we'll put all 82 electrons in orbitals around the nucleus of the Iron atom. • In this video we'll use the Periodic Table to help us write the notation for Iron. Alternatively you can use a chart showing how the orbitals fill ( • Using the Electron Configuration Chart ). • Either way, the Lead electron configuration will be 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p2 . • Note that when writing the electron configuration for an atom like Pb, the 5d is usually written before the 6s. Both of the configurations have the correct numbers of electrons in each orbital, it is just a matter of how the electronic configuration notation is written (see below for an explanation why). • For the Pb2+, called the Pb (II), we remove two electrons from 6p2 leaving us with: • 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 • • For Pb4+, called the Lead (IV) ion, we remove a total of four electrons (two from the 6p2 and 6s2 leaving us with • 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f14 5d10 • • Introduction to Writing Electron Configurations: • Introduction to Electron Configurations • • Electron Configurations Chart: • Using the Electron Configuration Chart • • Writing Electron Configs Using only the Periodic Table: • Writing Electron Configurations Using... • • Order of d and s Orbital Filling: https://eic.rsc.org/Coature/the-troub... • The configuration notation provides an easy way for scientists to write and communicate how electrons are arranged around the nucleus of an atom. This makes it easier to understand and predict how atoms will interact to form chemical bonds.
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