explain how the electron configurations of the element with z=8, 16 and 34 are similar
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The electronic configurations of the elements with atomic number (Z) = 8, 16 and 34 are similar as they belong to the same group.
- For Z = 8, the electronic configuration is 1s2 2s2 2p4
- For Z = 16, the electronic configuration is 1s2 2s2 2p6 3s2 3p4
- Similarly, for Z = 34, it is 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p4
- Since the valence shell electronic configuration for each of the above is of the form ns2 np4, all of them belong to the same group (i.e. group 16).
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