Question

4. a) Name the first two members of group 2 and 16.
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Answer 1

Answer:

berrilium and magnesium two elements of grp 2 while oxygen and sulphur are the members of grp 16

Explanation:

group must be having valency as 2 ..e.g Be at no. 4 = 2,2 outer electron 2 .

while gep 16 also also having valency as two bt outer electron 6..e.g Sulphur at no . 16 ..electronic configuration .2,8,6