Stuff Flashcards
1
Q
Relative formula mass
A
Fe2O3 —
Fe 56 times 2 = 112
O. 16 times 3.= 48
112+48= 160
2
Q
Concentration
A
Mass divided by volume of solution
3
Q
Number of moles
A
Mass over molar mass
4
Q
Covalent bonding
A
Sharing of electrons between two non metals
5
Q
Ionic bonding
A
Transfer of electrons between a metal and non metal
6
Q
Metallic bonding
A
Between two metals
7
Q
Atomic number
A
Bottom number
Number of protons and electrons
8
Q
Mass number
A
Top number
Number of protons and neutrons