The group number, number of valence electron, and valency of an elemen – McqOptions

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1.	The group number, number of valence electron, and valency of an element with atomic number 15, respectively, are:
A.	16, 5 and 2
B.	15, 5 and 3
C.	16, 6 and 3
D.	15, 6 and 2
Answer» C. 16, 6 and 3

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