Which particle moves around the nucleus? a. Electron
b. Molecule
c. Neutron
d. Proton

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

Substance x has a fixed volume, and the attraction between its particles is strong .substance y had widely spread out particles and can be compressed what can most likely be concluded about these substances

Which of the following best describes the formation of plasma?