|
Technetium
|
Tc
|
43
|
Transition metal
|
the Greek tekhnètos meaning 'artificial'
|
7
|
5
|
|
|
11.50
|
2430.00
|
4538.00
|
|
1.90
|
0.00
|
|
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
|
|
Nobelium
|
No
|
102
|
Actinide
|
Alfred Nobel, chemist, engineer, inventor of dynamite
|
|
7
|
|
|
-9.90
|
-1100.00
|
|
|
1.30
|
0.00
|
|
Mendelevium
|
Md
|
101
|
Actinide
|
Dmitri Mendeleev, chemist and inventor
|
|
7
|
|
|
-10.30
|
-1100.00
|
|
|
1.30
|
0.00
|
|
Fermium
|
Fm
|
100
|
Actinide
|
Enrico Fermi, physicist
|
|
7
|
|
|
-9.70
|
-1125.00
|
|
|
1.30
|
0.00
|
|
Einsteinium
|
Es
|
99
|
Actinide
|
Albert Einstein, physicist
|
|
7
|
|
|
8.84
|
1133.00
|
-1269.00
|
|
1.30
|
0.00
|
|
Berkelium
|
Bk
|
97
|
Actinide
|
Berkeley, California, where the element was first synthesized, by analogy with terbium
|
|
7
|
|
|
14.79
|
1259.00
|
2900.00
|
|
1.30
|
0.00
|
|
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
|
|
Americium
|
Am
|
95
|
Actinide
|
The Americas, as the element was first synthesized on the continent, by analogy with europium
|
|
7
|
|
|
13.69
|
1449.00
|
2880.00
|
|
1.13
|
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
|