|
Technetium
|
Tc
|
43
|
Transition metal
|
the Greek tekhnètos meaning 'artificial'
|
7
|
5
|
|
|
11.50
|
2430.00
|
4538.00
|
|
1.90
|
0.00
|
|
Ruthenium
|
Ru
|
44
|
Transition metal
|
Ruthenia, the New Latin name for Russia
|
8
|
5
|
101.07
|
0.02
|
12.37
|
2607.00
|
4423.00
|
0.24
|
2.20
|
0.00
|
|
Uranium
|
U
|
92
|
Actinide
|
Uranus, the seventh planet in the Solar System
|
|
7
|
238.03
|
0.00
|
18.95
|
1405.30
|
4404.00
|
0.12
|
1.38
|
2.70
|
|
Protactinium
|
Pa
|
91
|
Actinide
|
the Greek protos, 'first', and actinium, which is produced through the radioactive decay of protactinium
|
|
7
|
231.04
|
0.00
|
15.37
|
1841.00
|
4300.00
|
|
1.50
|
0.00
|
|
Carbon
|
C
|
6
|
Reactive nonmetal
|
the Latin carbo, 'coal'
|
14
|
2
|
12.01
|
0.00
|
2.27
|
3800.00
|
4300.00
|
0.71
|
2.55
|
200.00
|
|
Neptunium
|
Np
|
93
|
Actinide
|
Neptune, the eighth planet in the Solar System
|
|
7
|
|
|
20.45
|
917.00
|
4273.00
|
|
1.36
|
0.00
|
|
Boron
|
B
|
5
|
Metalloid
|
borax, a mineral
|
13
|
2
|
10.81
|
0.00
|
2.34
|
2349.00
|
4200.00
|
1.03
|
2.04
|
10.00
|
|
Platinum
|
Pt
|
78
|
Transition metal
|
the Spanish platina, meaning 'little silver'
|
10
|
6
|
195.08
|
0.01
|
21.46
|
2041.40
|
4098.00
|
0.13
|
2.28
|
0.01
|
|
Rhodium
|
Rh
|
45
|
Transition metal
|
the Greek rhodos, meaning 'rose coloured'
|
9
|
5
|
102.91
|
0.00
|
12.41
|
2237.00
|
3968.00
|
0.24
|
2.28
|
0.00
|
|
Praseodymium
|
Pr
|
59
|
Lanthanide
|
the Greek praseios didymos meaning 'green twin'
|
|
6
|
140.91
|
0.00
|
6.77
|
1208.00
|
3793.00
|
0.19
|
1.13
|
9.20
|