Chapter 20 Vocab Flashcards
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 then protons.
Ionic Bond
Attraction formed between oppositely charged ions in an iconic 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 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.