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2.1-2.3

TermDefinition
Electrostatic forces Forces between partials that are caused by their electric charges
Nuclear forces Strong force between neutrons in their atomic nucleus the holds the nucleus together
Atomic number Number of protons an element has
Isotope An atom with the same number of protons, electrons, and atomic number but different number of neutrons
Mass number The number of protons and neutrons added together
Ion An atom with an electrical charge of either negative or positive
Anion An ion with a gain of electrons, negatively charged ions
Cation An ion with a loss of electrons, positively charged ions
Atomic mass unit The mass used to empress weights. Carbon 12
Average atomic mass The mass of an isotope bases on carbon 12
Matter A physical substance that takes up space
Atom Smallest partial something can be broken into
Interpartical forces Weak intermolecular forces of attraction
Pure substance Substances made up of only 1 type of atom or molecule
Element One class of substances that can't be separated into simpler substances
Compound Composed of 2 or more parts, elements
Created by: nicole_davis99
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