Question

A student wants to draw a model of an atom. Which statement describes how to find the number of neutrons to include in the model?(1 point)
Responses

Subtract the number of electrons from the number of protons.
Subtract the number of electrons from the number of protons.

Subtract the atomic number from the mass number.
Subtract the atomic number from the mass number.

Add the atomic number and the mass number.
Add the atomic number and the mass number.

Add the number of electrons to the number of protons.
Add the number of electrons to the number of protons.
Skip to navigation

Answer 1

Subtract the atomic number from the mass number.

Explanation: Mass number = protons + neutrons, and the atomic number = number of protons, so neutrons = mass number − atomic number.