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The number of valence electrons in 4.2g of N³⁻ ion is

The number of valence electrons in 4.2g of N³⁻ ion is

Options

(a) 1.6 x Avagadro’s number
(b) 2.6 x Avagadro’s number
(c) 2.4 x Avagadro’s number
(d) 4.2 x Avagadro’s number

Correct Answer:

2.4 x Avagadro’s number

Explanation:

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