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Hafnium
Density of Einsteinium
Sm (Symbol of Samarium)
7 (Atomic Number of Nitrogen)
Discovered of Seaborgium in min
Oxygen (O) Properties
O
Oxygen
Properties
36 /
87
Atomic Mass
16
amu
Atomic Number
8
Block
P
Boiling Point
90.19
K
Conductivity (Electric)
—
Conductivity (Thermal)
0.02658
W/mK
Crystal Structure
Base-centered Monoclinic
Decay Mode
—
Density (Liquid)
—
Density (STP)
1.429
kg/m³
Electron Affinity
141
kJ/mol
Electron Configuration (Semantic)
[He] 2s² 2p⁴
Electronegativity (Pauling)
3.44
Electrons per Shell
2, 6
Group
16
Half Life
Stable
year
Heat (Fusion)
0.222
kJ/mol
Heat (Molar)
—
Heat (Specific)
919
J/(kg K)
Heat (Vaporization)
3.41
kJ/mol
Ionization Energies
1314, 3388, 5301, 7469, 10990, 13330, 71330, 84080
kJ/mol
Isotopes Known
¹²O, ¹³O, ¹⁴O, ¹⁵O, ¹⁶O, ¹⁷O, ¹⁸O, ¹⁹O, ²⁰O, ²¹O, ²²O, ²³O, ²⁴O, ²⁵O, ²⁶O, ²⁷O, ²⁸O
Isotopes Stable
¹⁶O, ¹⁷O, ¹⁸O
Magnetic Type
Paramagnetic
Melting Point
54.36
K
Molar Volume
0.011196
Oxidation States
-2c,-1,1,2
Period
2
Phase
Gas
@ 22°C
Quantum Numbers
3P2
Radius (Covalent)
73
pm
Radius (Empirical)
60
pm
Radius (Van Der Waals)
152
pm
Series
Diatomic Nonmetal
Valence Electrons
2
Wikipedia
https://en.wikipedia.org/wiki/Oxygen
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4
5
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7
N
Sy
Name
Abundance (Crust)
Abundance (Crust)
%
0
Quantile
46
Cell colors represent Abundance (Crust) –
Show Series Instead
Lanthanides
(All Group 3)
6
Actinides
(All Group 3)
7
1
H
Hydrogen
0.15
2
He
Helium
5.500e-7
3
Li
Lithium
0.0017
4
Be
Beryllium
1.900e-4
5
B
Boron
8.600e-4
6
C
Carbon
0.18
7
N
Nitrogen
0.002
8
O
Oxygen
46
9
F
Fluorine
0.054
10
Ne
Neon
3.000e-7
11
Na
Sodium
2.3
12
Mg
Magnesium
2.9
13
Al
Aluminum
8.1
14
Si
Silicon
27
15
P
Phosphorus
0.099
16
S
Sulfur
0.042
17
Cl
Chlorine
0.017
18
Ar
Argon
1.500e-4
19
K
Potassium
1.5
20
Ca
Calcium
5
21
Sc
Scandium
0.0026
22
Ti
Titanium
0.66
23
V
Vanadium
0.019
24
Cr
Chromium
0.014
25
Mn
Manganese
0.11
26
Fe
Iron
6.3
27
Co
Cobalt
0.003
28
Ni
Nickel
0.0089
29
Cu
Copper
0.0068
30
Zn
Zinc
0.0078
31
Ga
Gallium
0.0019
32
Ge
Germanium
1.400e-4
33
As
Arsenic
2.100e-4
34
Se
Selenium
5.000e-6
35
Br
Bromine
3.000e-4
36
Kr
Krypton
1.500e-8
37
Rb
Rubidium
0.006
38
Sr
Strontium
0.036
39
Y
Yttrium
0.0029
40
Zr
Zirconium
0.013
41
Nb
Niobium
0.0017
42
Mo
Molybdenum
1.100e-4
43
Tc
Technetium
0
44
Ru
Ruthenium
9.900e-8
45
Rh
Rhodium
7.000e-8
46
Pd
Palladium
6.300e-7
47
Ag
Silver
7.900e-6
48
Cd
Cadmium
1.500e-5
49
In
Indium
1.600e-5
50
Sn
Tin
2.200e-4
51
Sb
Antimony
2.000e-5
52
Te
Tellurium
9.900e-8
53
I
Iodine
4.900e-5
54
Xe
Xenon
2.000e-9
55
Cs
Cesium
1.900e-4
56
Ba
Barium
0.034
57
La
Lanthanum
0.0034
58
Ce
Cerium
0.006
59
Pr
Praseodymium
8.600e-4
60
Nd
Neodymium
0.0033
61
Pm
Promethium
0
62
Sm
Samarium
6.000e-4
63
Eu
Europium
1.800e-4
64
Gd
Gadolinium
5.200e-4
65
Tb
Terbium
9.300e-5
66
Dy
Dysprosium
6.200e-4
67
Ho
Holmium
1.200e-4
68
Er
Erbium
3.000e-4
69
Tm
Thulium
4.500e-5
70
Yb
Ytterbium
2.800e-4
71
Lu
Lutetium
5.600e-5
72
Hf
Hafnium
3.300e-4
73
Ta
Tantalum
1.700e-4
74
W
Tungsten
1.100e-4
75
Re
Rhenium
2.600e-7
76
Os
Osmium
1.800e-7
77
Ir
Iridium
4.000e-8
78
Pt
Platinum
3.700e-6
79
Au
Gold
3.100e-7
80
Hg
Mercury
6.700e-6
81
Tl
Thallium
5.300e-5
82
Pb
Lead
9.900e-4
83
Bi
Bismuth
2.500e-6
84
Po
Polonium
85
At
Astatine
0
86
Rn
Radon
87
Fr
Francium
88
Ra
Radium
9.900e-12
89
Ac
Actinium
90
Th
Thorium
6.000e-4
91
Pa
Protactinium
9.900e-13
92
U
Uranium
1.800e-4
93
Np
Neptunium
0
94
Pu
Plutonium
0
95
Am
Americium
0
96
Cm
Curium
0
97
Bk
Berkelium
0
98
Cf
Californium
0
99
Es
Einsteinium
0
100
Fm
Fermium
0
101
Md
Mendelevium
0
102
No
Nobelium
0
103
Lr
Lawrencium
0
104
Rf
Rutherfordium
0
105
Db
Dubnium
0
106
Sg
Seaborgium
0
107
Bh
Bohrium
0
108
Hs
Hassium
0
109
Mt
Meitnerium
0
110
Ds
Darmstadtium
0
111
Rg
Roentgenium
0
112
Cn
Copernicium
0
113
Nh
Nihonium
0
114
Fl
Flerovium
0
115
Mc
Moscovium
0
116
Lv
Livermorium
0
117
Ts
Tennessine
0
118
Og
Oganesson
0
Group
Period
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