|
Nobelium
|
No
|
102
|
Actinide
|
Alfred Nobel, chemist, engineer, inventor of dynamite
|
|
7
|
|
|
-9.90
|
-1100.00
|
|
|
1.30
|
0.00
|
|
Neptunium
|
Np
|
93
|
Actinide
|
Neptune, the eighth planet in the Solar System
|
|
7
|
|
|
20.45
|
917.00
|
4273.00
|
|
1.36
|
0.00
|
|
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
|
|
Oganesson
|
Og
|
118
|
Unknown chemical properties
|
Yuri Oganessian, physicist
|
18
|
7
|
|
|
-5.00
|
|
-350.00
|
|
|
0.00
|
|
Osmium
|
Os
|
76
|
Transition metal
|
the Greek osmè, meaning 'smell'
|
8
|
6
|
190.23
|
0.03
|
22.61
|
3306.00
|
5285.00
|
0.13
|
2.20
|
0.00
|
|
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
|
|
Protactinium
|
Pa
|
91
|
Actinide
|
the Greek protos, 'first', and actinium, which is produced through the radioactive decay of protactinium
|
|
7
|
231.04
|
0.00
|
15.37
|
1841.00
|
4300.00
|
|
1.50
|
0.00
|
|
Lead
|
Pb
|
82
|
Post-transition metal
|
English word (plumbum in Latin)
|
14
|
6
|
207.20
|
0.10
|
11.34
|
600.61
|
2022.00
|
0.13
|
1.87
|
14.00
|
|
Palladium
|
Pd
|
46
|
Transition metal
|
the then recently discovered asteroid Pallas, considered a planet at the time
|
10
|
5
|
106.42
|
0.01
|
12.02
|
1828.05
|
3236.00
|
0.24
|
2.20
|
0.02
|
|
Promethium
|
Pm
|
61
|
Lanthanide
|
Prometheus of Greek mythology who stole fire from the Gods and gave it to humans
|
|
6
|
|
|
7.26
|
1315.00
|
3273.00
|
|
1.13
|
0.00
|