Physics, asked by hemlataparihar135790, 2 months ago

if NA is Avogadro's number then number of electrons in 4.2g of N-3.
1. 2.1 NA
2. 3 NA
3. 6 NA
4. NA

Answers

Answered by ashokjaiswal9999

0

Answer:

2. 3NA

Explanation:

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