Question

An ion has an atomic number of 13, a mass number of 27, and 10 electrons. How many neutrons does the nucleus of the ion have?

14
13
3
27

Answer 1

Answer:

$\huge\boxed{\sf 14}$

Explanation:

Atomic number = 13

Mass number = 27

No. of neutrons:

= Mass number - Atomic number

= 27 - 13

= 14

$\rule[225]{225}{2}$