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lesson 4 vocab

TermDefinition
chemical bond is a force that holds two or more atoms together
valence electrons is an outermost electrons of an atom that participates in chemical bonding
electron dot diagram a model that represents valence electrons in an atom as dots around element's chemical symbol
covalent bond is a chemical bond formed when two atoms share one or more pairs of valence eletrons
molecule is a group of atoms held together by covalent bonding that acts as an independent unit
polar molecules molecule that has a partial positive end and partial negative end because of unequal sharing of electrons
chemical formula is a group of chemical symbols and number that represent the elements and the numbers of atoms of each element that make up a compound
ion is an atom that is no longer electrically neutral because it has lost or gained valence electrons
Created by: colbuhan2686