Question

how many n atoms are in one formula unit of (nh₄)₂so₄?

Explanation:

Step1: Analyze the formula

The formula is \((NH_4)_2SO_4\).

Step2: Count the number of \(N\) atoms

In \((NH_4)_2SO_4\), the sub - script outside the parentheses for the \(NH_4\) group is \(2\). Since there is \(1\) \(N\) atom in each \(NH_4\) group, the total number of \(N\) atoms is \(2\times1 = 2\).

Answer:

\(2\)