the total number of valence electrons in 42 gm
The total number of valence electrons in 4.2 gm N-3 of ion is ( NA is the Avogadro's number):
(1) 1.6NA
(2) 3.2NA
(3) 2.1NA
(4) 4.2NA
Ans: 1.6NA
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the total number of valence electrons in 42 gm n-3 of ion is na is the avogadros number1
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