chemistry ch. 7

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The mass in grams of a mole of atoms

The number of particles in one mole of an element, formula unit, or molecule; 6.022 x 102^3.

A compound that has a positive or negative charge

An expression that tells the type of atoms present in a compound and exactly how many of each atom is in each unit of the compound.

An expression that tells the type of atoms present in a compound and expresses them in the lowest possible whole number ratio for each unit of the compound

The mass in grams of a mole of a formula unit

The number that reflects the charge an atom in a compound would have if all the bonding electrons were given to the most electronegative element in the compound.

A compound in which hydrogen is the first element