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vocab chapter 4

chemical bonds is a force that holds two or more atoms together
valence electrons is an outermost electron of an atom that participates in chemical bonding
electron dot diagram a model that represents valence electrons in a atom as dots around the elements chemical symbol
covalent bond is a chemical bond formed when two atoms share one or more pairs of valence electrons
polar molecule a molecule that has a partical positive end and a partial negitive end because of unequal sharing of electrons
molecule is a group of atoms held together by covalent bonding that acts as an independent unit
chemical formula is a group of chemical symbols and numbers that represents the elements and the number off atoms of each element and number of atoms of eah element that makes up a compound
ion is an atom that is no longer electrically neutral because it has lost or gained valence electrons
ionic bond the attraction between positively and negatively charged ions in an ionic coupound
metallic bond is a bond formed when many metals atoms share their pooled valence electron
Created by: jacksjac8304