Moles Flashcards
1
Q
atomic mass unit (amu)
A
A small unit of mass equal to 1.66×10^-24 grams
2
Q
Mole
A
The number equal to the number of carbon atoms in exactly 12 grams of pure C (used as measuring elements)
3
Q
Avogadro’s number
A
6.022x10^23 atoms in on mole
4
Q
Molar mass
A
Amount of g in on mole of a substance
5
Q
mass percent
A
The percent by mass of a component of a mixture or of a given element in a compound
6
Q
empirical formula
A
The simplest whole-number ratio of atoms in a compound
7
Q
molecular formula
A
The exact formula of a molecule, giving the types of atoms and the number of each type
8
Q
Atoms
A
Ca, K, Cl, that stuff
9
Q
Molecules
A
Covalent bonds (Non metals, share atoms, Co-together aka share)
Ex - Cl2
10
Q
Formula units
A
Ionic compounds (cation and anions, Gives electron away, “ion want it”)
Ex -KCl
