|
Rubidium
|
Rb
|
37
|
Alkali metal
|
the Latin rubidus, 'deep red'
|
1
|
5
|
85.47
|
0.00
|
1.53
|
312.46
|
961.00
|
0.36
|
0.82
|
90.00
|
|
Potassium
|
K
|
19
|
Alkali metal
|
New Latin potassa, 'potash' (kalium in Latin)
|
1
|
4
|
39.10
|
0.00
|
0.86
|
336.53
|
1032.00
|
0.76
|
0.82
|
20900.00
|
|
Barium
|
Ba
|
56
|
Alkaline earth metal
|
the Greek barys, 'heavy'
|
2
|
6
|
137.33
|
0.01
|
3.59
|
1000.00
|
2170.00
|
0.20
|
0.89
|
425.00
|
|
Radium
|
Ra
|
88
|
Alkaline earth metal
|
the Latin radius, 'ray'
|
2
|
7
|
|
|
5.50
|
973.00
|
2010.00
|
0.09
|
0.90
|
0.00
|
|
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
|
|
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
|
|
Lithium
|
Li
|
3
|
Alkali metal
|
the Greek lithos, 'stone'
|
1
|
2
|
6.94
|
0.00
|
0.53
|
453.69
|
1560.00
|
3.58
|
0.98
|
20.00
|
|
Calcium
|
Ca
|
20
|
Alkaline earth metal
|
the Latin calx, 'lime'
|
2
|
4
|
40.08
|
0.00
|
1.54
|
1115.00
|
1757.00
|
0.65
|
1.00
|
41500.00
|
|
Ytterbium
|
Yb
|
70
|
Lanthanide
|
Ytterby, Sweden
|
|
6
|
173.05
|
0.00
|
6.97
|
1097.00
|
1469.00
|
0.16
|
1.10
|
3.20
|
|
Lanthanum
|
La
|
57
|
Lanthanide
|
the Greek lanthanein, 'to lie hidden'
|
3
|
6
|
138.91
|
0.00
|
6.15
|
1193.00
|
3737.00
|
0.20
|
1.10
|
39.00
|