|
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
|
|
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
|
|
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
|
|
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
|
|
Fluorine
|
F
|
9
|
Reactive nonmetal
|
the Latin fluere, 'to flow'
|
17
|
2
|
19.00
|
0.00
|
0.00
|
53.53
|
85.03
|
0.82
|
3.98
|
585.00
|
|
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
|
|
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
|
|
Carbon
|
C
|
6
|
Reactive nonmetal
|
the Latin carbo, 'coal'
|
14
|
2
|
12.01
|
0.00
|
2.27
|
3800.00
|
4300.00
|
0.71
|
2.55
|
200.00
|
|
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
|