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Science 3 Atoms


What is a proton? a positively charged particle that resides within the atomic nucleus.
what is a neutron? a subatomic particle contained in the atomic nucleus.
what is an electron? a fundamental particle, which means it cannot be broken into smaller particles.
what is atomic mass? The mass of an atom, usually expressed in atomic mass units.
what is a neucleus? a membrane bound structure that contains the cell's hereditary information and controls the cell's growth and reproduction.
what is an electron cloud? the group of electrons revolving around the nucleus of an atom.
what is an atomic #? the number of positive charges or protons in the nucleus of an atom of a given element, and therefore also the number of electrons normally surrounding the nucleus.
what is a mass #? the integer nearest in value to the atomic weight of an atom and equal to the number of nucleons in the nucleus of the atom.
Created by: erinrose02