|
Selenium
|
Se
|
34
|
Reactive nonmetal
|
the Greek selene, 'moon'
|
16
|
4
|
78.97
|
0.01
|
4.81
|
453.00
|
958.00
|
0.32
|
2.55
|
0.05
|
|
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
|
|
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
|
|
Iodine
|
I
|
53
|
Reactive nonmetal
|
French iode (after the Greek ioeides, 'violet')
|
17
|
5
|
126.90
|
0.00
|
4.93
|
386.85
|
457.40
|
0.21
|
2.66
|
0.45
|
|
Chlorine
|
Cl
|
17
|
Reactive nonmetal
|
the Greek chloros, 'greenish yellow'
|
17
|
3
|
35.45
|
|
0.00
|
171.60
|
239.11
|
0.48
|
3.16
|
145.00
|
|
Sulfur
|
S
|
16
|
Reactive nonmetal
|
the Latin sulphur, 'fire and brimstone'
|
16
|
3
|
32.06
|
|
2.07
|
388.36
|
717.87
|
0.71
|
2.58
|
350.00
|
|
Phosphorus
|
P
|
15
|
Reactive nonmetal
|
the Greek phoosphoros, 'carrying light'
|
15
|
3
|
30.97
|
0.00
|
1.82
|
317.30
|
550.00
|
0.77
|
2.19
|
1050.00
|