12 terms

PS Chapter 20: Chemical Bonds

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Terms in this set (...)

binary compound
compound that is composed of two elements
chemical bond
force that holds atoms together in a compound
chemical formula
chemical shorthand that uses symbols to tell what elements are in a compound and their ratios
covalent bond
attraction formed between atoms when they share electrons
hydrate
compound that has water chemically attached to its ions and written into its chemical formula
ion
charged particle that has either more or fewer electrons than protons
ionic bond
attraction formed between oppositely charged ions in an ionic compound
molecule
a neutral particle that forms as a result of electron sharing
nonpolar molecule
molecule that shares electrons equally and does not have oppositely charged ends
oxidation number
positive or negative number that indicates how many electrons an atom has gained, lost, or shared to become stable
polar molecule
molecule with a slightly positive end and a slightly negative end as a result of electrons being shared unequally
polyatomic ion
positively or negatively charged, covalently bonded group of atoms