Question

What is the coefficient and the formula 3Zn(NO3)2 represent ?


Nitrogen atoms:



I thought it was 8 but it’s wrong

Answer 1

The answer is 6 nitrogen atoms.

The given chemical formula is : 3Zn(NO₃)₂

Let's find the number of nitrogen atoms by opening the bracket.

• 3ZnN₂O₆
• Zn₃N₆O₁₈

Hence, there are 6 nitrogen atoms.