Question

An atom of deuterium is a hydrogen atom with an atomic mass of 2. Deuterium

contains how many protons, neutrons, and electrons respectively?

Answer 1

1, 1, 1

Explanation:

Since Deuterium is an isotope of Hydrogen, which has 1 electron, it has one electron. And because the atomic mass is 2, and the atomic mass is the sum of the protons and neutrons, 1 proton + 1 neutron equals an atomic mass of 2. Hope this helped.