Phisical Science Ch. 20

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covalant

a bond that forms between atoms when they share electrons is a blank bond.

binary

a compound that is comosed of only two elements is a.

polyatomic

a group of atoms with a positive or negitive charge is a.

nonpoler

molecules that do not have opositely charged ends are blank molocules.

stable

a atom is blank whn ist outer energy level is filled with electrons.

Hydrate

a blank is a compound that has water chemically attached to its ion.

bond

a blank is formed when atoms gain, lose, or share electrons.

chemical formula

a blank tells what elements make up a compound and the ratios of the atoms of those elements.

ionic

a molecule that has a psitive end and a negitive end is a blank molecule.

oxidation number

a positive or negitive number that is assigned to an element to show its combining ability in a compound is a.

ion

an atom that has gained or lost electrons is called an.

ionic bond

the force of attraction between the opposite charge of the ions in an ionic compound is a.


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