Question

3 of 53 concepts completed fill in the blank question an element with an atomic number of 11 and atomic mass of 23 has need help? review these concept resources.

Explanation:

Step1: Recall atomic structure relationship

The number of neutrons is calculated by subtracting the atomic number from the atomic mass.

Step2: Perform the calculation

Atomic mass = 23, Atomic number = 11. Neutrons = Atomic mass - Atomic number = 23 - 11.

Answer:

12