Question

Wht is a atom and a nucleus

Answer 1

nucleus is the center of the atoms. Atoms are made up of nucleons called protons and neutrons.

Answer 2

Atoms are made up of three particles: protons, neutrons and electrons. Protons and neutrons are heavier than electrons and reside in the center of the atom, which is called the nucleus. Electrons are extremely lightweight and exist in a cloud orbiting the nucleus.