1
Q
Lutetium
A
Lu
2
Q
Lu
A
Lutetium
3
Q
Hafnium
A
Hf
4
Q
Hf
A
Hafnium
5
Q
Tantalum
A
Ta
6
Q
Ta
A
Tantalum
7
Q
Tungsten
A
W
8
Q
W
A
Tungsten
9
Q
Rhenium
A
Re
10
Q
Re
A
Rhenium
11
Q
Osmium
A
Os
12
Q
Os
A
Osmium
13
Q
Iridium
A
Ir
14
Q
Ir
A
Iridium
15
Q
Pt
A
Platinum
16
Q
Platinum
A
Pt
17
Q
Gold
A
Au
18
Q
Au
A
Gold
19
Q
Mercury
A
Hg
20
Q
Hg
A
Mercury
