Question: An atom has a mass of 24 and a nuclear charge of 12. Which statement about the atom is accurate?

What is the correct answer to the question from the following choices?
OPTIONS:
- It has twice as many protons as electrons.
- It has twice as many neutrons as protons.
- It has equal numbers of neutrons and protons.
- It has equal numbers of nuclear particles and electrons.
It has equal numbers of neutrons and protons.