Reading...
Play button
Play button
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;
15 Cards in this Set
- Front
- Back
|
the mass of an atom is based on the mass of what element?
|
carbon 12
|
|
|
the mole is referred to as the chemist's
|
dozen
|
|
|
what are the 7 diatomic molecules?
|
oxygen, flourine, chlorine, bromine, iodine, nitrogen and hydrogen
|
|
|
______ is used to count larger number of particles
|
avogadro's number
|
|
|
atomic mass
|
the mass of an atom expressed relative to the mass assigned to carbon 12
|
|
|
formula mass
|
the 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 grams of carbon 12
|
|
|
avogadro's number
|
6.02 x 10^23
|
|
|
what is the abbreviation for molar mass?
|
M
|
|
|
molar mass
|
depends upon the masses of the particles that make up the substance
|
|
|
percent composition
|
tells you the percent of the mass made up by each element in a compound
|
|
|
empirical formula
|
gives the simples whole-number ratio of the atoms of the elements
|
|
|
molecular formula
|
the actual number of atoms of each element in a molecular compound
|
|
|
what measure is used for atomic mass?
|
amu
|
|
|
what measure is used for formula mass?
|
grams per mole
|
