|
Erbium
|
Er
|
68
|
Lanthanide
|
Ytterby, Sweden
|
|
6
|
167.26
|
0.00
|
9.07
|
1802.00
|
3141.00
|
0.17
|
1.24
|
3.50
|
|
Nickel
|
Ni
|
28
|
Transition metal
|
from a mischievous sprite of German miner mythology, Nickel
|
10
|
4
|
58.69
|
0.00
|
8.91
|
1728.00
|
3186.00
|
0.44
|
1.91
|
84.00
|
|
Cobalt
|
Co
|
27
|
Transition metal
|
the German word Kobold, 'goblin'
|
9
|
4
|
58.93
|
0.00
|
8.86
|
1768.00
|
3200.00
|
0.42
|
1.88
|
25.00
|
|
Palladium
|
Pd
|
46
|
Transition metal
|
the then recently discovered asteroid Pallas, considered a planet at the time
|
10
|
5
|
106.42
|
0.01
|
12.02
|
1828.05
|
3236.00
|
0.24
|
2.20
|
0.02
|
|
Promethium
|
Pm
|
61
|
Lanthanide
|
Prometheus of Greek mythology who stole fire from the Gods and gave it to humans
|
|
6
|
|
|
7.26
|
1315.00
|
3273.00
|
|
1.13
|
0.00
|
|
Neodymium
|
Nd
|
60
|
Lanthanide
|
the Greek neos didymos meaning 'new twin'
|
|
6
|
144.24
|
0.00
|
7.01
|
1297.00
|
3347.00
|
0.19
|
1.14
|
41.50
|
|
Curium
|
Cm
|
96
|
Actinide
|
Pierre Curie, a physicist, and Marie Curie, a physicist and chemist, named after great scientists by analogy with gadolinium
|
|
7
|
|
|
13.51
|
1613.00
|
3383.00
|
|
1.28
|
0.00
|
|
Actinium
|
Ac
|
89
|
Actinide
|
the Greek aktis, 'ray'
|
3
|
7
|
|
|
10.07
|
1323.00
|
3471.00
|
0.12
|
1.10
|
0.00
|
|
Plutonium
|
Pu
|
94
|
Actinide
|
Pluto, a dwarf planet in the Solar System (then considered the ninth planet)
|
|
7
|
|
|
19.84
|
912.50
|
3501.00
|
|
1.28
|
0.00
|
|
Terbium
|
Tb
|
65
|
Lanthanide
|
Ytterby, Sweden
|
|
6
|
158.93
|
0.00
|
8.23
|
1629.00
|
3503.00
|
0.18
|
1.20
|
1.20
|