Question

Co Ni Cu Zn Ga Ge As Se Br Kr Na Mg 3B 4B 5B 6B7B 8B 1B 2B A1 V Cr Mn Fe Co Ni Cu Zn be Bh s v 2 No Ma Tc Ru Rh Pa ng ca tn s
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Answer #1

1) Atomic number of Selenium = 34

Electronic configaration of Se = 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p4

2) Atomic number of Zinc = 30

Electronic configaration of Zn = 1s2 2s2 2p6 3s2 3p6 4s2 3d10

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