inorganic Flashcards
1
Q
Unified atomic mass unit
A
1/12th the mass of a C-12 atom
2
Q
relative atomic mass
A
the weighted average mass of an atom compared to 1/12th the mass of a C-12 atom
3
Q
relative isotopic mass
A
mass of an isotope compared the 1/12th the mass of a C-12 atom
4
Q
Relative Formula mass
A
only for ionic compounds
weighted average mass of a formula unit compared to 1/12th the mass of a C-12 atom
5
Q
mole
A
amount of substance that contains as many atoms as the number of Carbon atoms in 12g of carbon-12
6
Q
n=
A
m/Mr
M * v
v/24
7
Q
group 1 elements charge
A
+1
8
Q
group 2 elements charge
A
+2
9
Q
Ag charge
A
+1
10
Q
Zn charge
A
+2
11
Q
Cd charge
A
+2
12
Q
group 13 charge
A
+3
13
Q
group 15 charge
A
-3
14
Q
group 16 charge
A
-2
15
Q
group 17 charge
A
-1
