Proton, Positive subatomic particle in nucleus with a mass of 1, Electron, Negative subatomic particle outside nucleus with a mass of 0, Neutron, Subatomic particle with no charge in the nucleus with a mass of 1, Atomic Number, Equal to the protons and electrons, Atomic Mass, Protons plus neutrons, Element Symbol, One or two letters in the center of the element square, Nucleus, Center of the atom, holds protons and neutrons, Electron Cloud, The space outside the nucleus

Atomic Structure Review

Leaderboard

Visual style

Options

Switch template

Continue editing: ?