|
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
|
|
Silicon
|
Si
|
14
|
Metalloid
|
from the Latin silex, 'flint' (originally silicium)
|
14
|
3
|
28.09
|
|
2.33
|
1687.00
|
3538.00
|
0.71
|
1.90
|
282000.00
|
|
Aluminium
|
Al
|
13
|
Post-transition metal
|
from alumina, a compound (originally alumium)
|
13
|
3
|
26.98
|
0.00
|
2.70
|
933.47
|
2792.00
|
0.90
|
1.61
|
82300.00
|
|
Iron
|
Fe
|
26
|
Transition metal
|
English word (ferrum in Latin)
|
8
|
4
|
55.85
|
0.00
|
7.87
|
1811.00
|
3134.00
|
0.45
|
1.83
|
56300.00
|
|
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
|
|
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
|
|
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
|
|
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
|
|
Titanium
|
Ti
|
22
|
Transition metal
|
Titans, the sons of the Earth goddess of Greek mythology
|
4
|
4
|
47.87
|
0.00
|
4.54
|
1941.00
|
3560.00
|
0.52
|
1.54
|
5650.00
|
|
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
|