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Chapter 20 Vocab
Term | Definition |
---|---|
Chemical Formula | Tells what elements a compound contains and the exact number of the atoms of each element in a unit of that compound. |
Chemical Bond | is the force that holds atoms together in compound. |
ion | charged particle that has either more of fewer electrons than protons |
ionic bonf | attraction formed between oppositely charged ions in an ionic compound |
covalent bonf | attraction formed between atoms when they share electrons. |
molecule | a neutral particle that forms as a result of electron sharing |
polar molecule | molecule with a slight positive end and a slightly negative end as a result of electrons being shared unequally. |
nonpolar molecule | molecule that shares electrons equally and does not have oppositely charged ends. |
binary compound | compound that is composed of two elements. |
oxidation number | positive or negative number that indicates how many electrons an atom has gained, lost, or shared to become stable. |
polyatomic ion | positively or negatively charged, covalently bonded group of atoms. |
hydrate | compound that has water chemically attached to its ions and written into its chemical formula. |