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S8P1.a

Distinguish between atoms and molecules.

TermDefinition
Atom the smallest unit of mass that maintains the properties of that element
Element a substance that cant be separated or broken down into simpler substances by chemical means
Nucleus in physical science, an atoms central region, which is made up of protons & neutrons
Proton a subatomic particle that has a positive charge and is found in the nucleus of an atom
Neutron a subatomic particle that has no charge & is found in the nucleus of an atom
Atomic Number the # of protons in the nucleus of an atom; the atomic # is the same for all atoms of an element
Neutral having no overall charge
Atomic Mass the mass of an atom expressed in atomic mass units
Chemical Symbol a one or two letter code that represents a element
Electron a subtonical particle with a negative charge
Created by: 87ChaHen
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