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Q.

The element Z = 116 and 119 have been discovered.  In which family  /  group, would you place these elements and also give the electronic configuration in each case?

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a

Z = 119, alkali metal, configuration ==  [Uuo]  8s2

b

Z = 119, alkali metal, configuration =  [Uuo] 8s1

c

Z = 116, halogen family, configuration = [Rn] 5f146d107s27p4

d

Z = 116, carbon family, configuration = [Rn]  5f146d107s27p4 

answer is B.

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Detailed Solution

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Z=116 oxygen family       Z=119 IA group    

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