atom nucleus
It contains nearly all of an atom's mass. This topic is part of Atomic Physics within Science & Nature. This page currently draws on 4 supporting questions, with answers and bonus facts available below.
atom nucleus trivia questions
The nucleus is located where in an atom?
Answer: Center
Bonus fact: It contains nearly all of an atom's mass.
What two particles are found in most atomic nuclei?
Answer: Protons and neutrons
Bonus fact: Hydrogen-1 is the common exception with only one proton.
What force holds protons and neutrons together in the nucleus?
Answer: Strong nuclear force
Bonus fact: The strong force overcomes proton-proton electrical repulsion at short range.
What does an atom's mass number count?
Answer: Protons plus neutrons
Bonus fact: The mass number refers to the nucleons in the atom's nucleus.