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Chapter 20 Vocab.
all vocabulary words for chapter 20 refer to textbook
Term | Definition |
---|---|
chemical formula | tells what elements a compound contains & the exact # of atoms of each element in a unit of that compound |
chemical bond | is the force that holds atoms together in a compound |
ion | is a charged particle because it now has either more or fewer electrons than protons |
ionic bond | is the force of attraction between the opposite charges of the ions in an ionic compound |
covalent bond | the attraction that forms between atoms when they share electrons |
molecule | a neutral particle that forms as a result of electron sharing |
polar molecule | is the one that as a slightly positive end & a slightly negative end although the overall molecule is neutral |
nonpolar molecule | is one in which electrons are shared equally in bonds |
binary compound | is the one that is composed of two elements |
oxidation # | tells you how many electrons an atom has gained, lost, or shared to become stable |
polyatomic ion | is a positively or negatively charged covalently bonded group of atoms |
hydrate | is a compound that has water chemically attached to its ions & written into its chemical formula |