Question

8 multiple choice 1 point how many neutrons are in uranium - 238 if it has 92 protons? 146 238 92 184

Explanation:

Step1: Recall atomic mass formula

Atomic mass = Protons + Neutrons.

Step2: Rearrange for neutrons

Neutrons = Atomic mass - Protons.

Step3: Substitute values

Uranium - 238 has atomic mass 238 and 92 protons. So, Neutrons = 238 - 92 = 146.

Answer:

A. 146