Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
9 Cards in this Set
- Front
- Back
atomic mass
|
the mass of an atom expressed relative to the mass assigned to carbon-12
|
|
formula mass
|
sum of the atomic masses of all the atoms in a compound
|
|
mole
|
the number of atoms of that element equal to the number of atoms in exactly 12.0 grams of carbon-12
|
|
Avogadro's number
|
the quantity of items in a mole - 6.02X10^23
|
|
molar mass
|
the mass in grams of 1 mole of a substance
|
|
percentage composition
|
mass of each element in a compound compared to the entire mass of the compound and multiplied by 100 percent
|
|
empirical formula
|
formula that gives the simplest whole-number ratio of the atoms of the elements
|
|
molecular formula
|
formula that gives the actual number of atoms of each element in a molecular compound
|
|
molar volume
|
volume of 1 mole of a gas at STP
|