Question

what is the atomic mass of nitrogen - 15?

157n

15 8 7

Explanation:

Step1: Recall the concept of atomic mass notation

In the notation \(^{A}_{Z}X\), \(A\) represents the mass number (atomic mass).

Step2: Identify the value from the given notation

For \(^{15}_{7}N\), the value of \(A\) (mass number) is \(15\).

Answer:

\(15\)