An atom with 3 protons and 4 neutrons will have a valency of:A. 3B. 7C

1.	An atom with 3 protons and 4 neutrons will have a valency of:A. 3B. 7C. 1D. 4
Answer» An atom with 3 protons would have 2 electrons in its innermost shell and 1 proton in its outermost shell. The outermost proton could be easily given away by the atom to attain a stable two electron inner shell configuration. So, the valency would be 1. Hence the correct option is C.

An atom with 3 protons and 4 neutrons will have a valency of:A. 3B. 7C. 1D. 4

Answer»

An atom with 3 protons would have 2 electrons in its innermost shell and 1
proton in its outermost shell. The outermost proton could be easily given away by the
atom to attain a stable two electron inner shell configuration. So, the valency would be
1.

Hence the correct option is C.

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An atom with 3 protons and 4 neutrons will have a valency of:A. 3B. 7C. 1D. 4

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