Hydrogen
|
H
|
1
|
Reactive nonmetal
|
composed of the Greek elements hydro- and -gen meaning 'water-forming'
|
1
|
1
|
1.01
|
0.00
|
0.00
|
14.01
|
20.28
|
14.30
|
2.20
|
1400.00
|
Helium
|
He
|
2
|
Noble gas
|
the Greek helios, 'sun'
|
18
|
1
|
4.00
|
0.00
|
0.00
|
|
4.22
|
5.19
|
|
0.01
|
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
|
Beryllium
|
Be
|
4
|
Alkaline earth metal
|
beryl, a mineral
|
2
|
2
|
9.01
|
0.00
|
1.85
|
1560.00
|
2742.00
|
1.83
|
1.57
|
2.80
|
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
|
Nitrogen
|
N
|
7
|
Reactive nonmetal
|
the Greek nitron and '-gen' meaning 'niter-forming'
|
15
|
2
|
14.01
|
0.00
|
0.00
|
63.15
|
77.36
|
1.04
|
3.04
|
19.00
|
Neon
|
Ne
|
10
|
Noble gas
|
the Greek neos, meaning 'new'
|
18
|
2
|
20.18
|
0.00
|
0.00
|
24.56
|
27.07
|
1.03
|
|
0.01
|
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
|
Magnesium
|
Mg
|
12
|
Alkaline earth metal
|
Magnesia, a district of Eastern Thessaly in Greece
|
2
|
3
|
24.31
|
0.00
|
1.74
|
923.00
|
1363.00
|
1.02
|
1.31
|
23300.00
|
Oxygen
|
O
|
8
|
Reactive nonmetal
|
from the Greek oxy-, both 'sharp' and 'acid', and -gen, meaning 'acid-forming'
|
16
|
2
|
16.00
|
0.00
|
0.00
|
54.36
|
90.20
|
0.92
|
3.44
|
461000.00
|