Question

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Answer 1

Answer:

a). atomic no = 16 mass number = 32

b). element is sulphur

c). electronic configuration is 1s²2s²2p⁶3s²3p⁴

d). valency is 2

e). Anion is formed by the element S2-

Answer 2

☄️Atomic number = 16, Atomic Mass = 32.066 atomic mass units.

☄️(Refer to the attachment given.)

☄️[Ne] 3s² 3p⁴

☄️Valency = 6

☄️Sulfide ion S2^-

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