Question

The atomic number of nitrogen is 7 and its atomic mass number is 14, how many neutrons
does it have?

Answer 1

Answer:

7

Explanation:

atomic mass = # of protons and neutrons in a atom

Answer 2

Answer:

7

Explanation:

Mass Number= # protons + # neutrons

Atomic #= # protons

(14)=(7)+ x

x= # neutrons

x=7