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S8P.a

distingwish between atoms and molecules

TermDefinition
Atom The smallest unit of an element that maintains the properties of that Element
Element a substance that cannot be separated or broken down into simpler substances by chemical means
Nucleus in physical science, an Atom´s central region, which is made up of Protons and Neutrons
Proton a subatomic particle that has a positive charge and that is found in the Nucleus of an Atom
Neutron a subatomic particle that has no charge and that is found in the nucleus of an Atom
Electron a subatomic particle that has a negative charge
Atomic Number the number of Protons in the Nucleus of an Atom; the Atomic number is the same for all Atomsof 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 an Element
Created by: StudySword
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