|
Argon
|
Ar
|
18
|
Noble gas
|
the Greek argos, 'idle'
|
18
|
3
|
39.95
|
0.00
|
0.00
|
83.80
|
87.30
|
0.52
|
|
3.50
|
|
Actinium
|
Ac
|
89
|
Actinide
|
the Greek aktis, 'ray'
|
3
|
7
|
|
|
10.07
|
1323.00
|
3471.00
|
0.12
|
1.10
|
0.00
|
|
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
|
|
Sodium
|
Na
|
11
|
Alkali metal
|
the English word soda (natrium in Latin)
|
1
|
3
|
22.99
|
0.00
|
0.97
|
370.87
|
1156.00
|
1.23
|
0.93
|
23600.00
|
|
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
|
|
Tennessine
|
Ts
|
117
|
Unknown chemical properties
|
Tennessee, United States
|
17
|
7
|
|
|
-7.20
|
-723.00
|
-883.00
|
|
|
0.00
|
|
Strontium
|
Sr
|
38
|
Alkaline earth metal
|
Strontian, a small town in Scotland
|
2
|
5
|
87.62
|
0.01
|
2.64
|
1050.00
|
1655.00
|
0.30
|
0.95
|
370.00
|
|
Scandium
|
Sc
|
21
|
Transition metal
|
Scandia, the Latin name for Scandinavia
|
3
|
4
|
44.96
|
0.00
|
2.99
|
1814.00
|
3109.00
|
0.57
|
1.36
|
22.00
|
|
Samarium
|
Sm
|
62
|
Lanthanide
|
Samarskite, the name of the mineral from which it was first isolated
|
|
6
|
150.36
|
0.02
|
7.52
|
1345.00
|
2067.00
|
0.20
|
1.17
|
7.05
|
|
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
|