Three elements A, B, and C have 3, 4 and 2 electrons respectively in t – InterviewSolution

1.

Three elements A, B, and C have 3, 4 and 2 electrons respectively in their outermost shell. Give the group number to which they belong in the Modern Periodic Table. Also, give their valencies.

Answer»

Element	Group No.	Valency
A	Group-13	3
B	Group-14	4
C	Group-2	2

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