H
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He
Li
Be
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B
C
N
O
F
Ne
Na
Mg
Al
Si
P
S
Cl
Ar
K
Ca
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
Zn
Ga
Ge
As
Se
Br
Kr
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
Ce
Pr
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
Fr
Ra
Ac
Th
Pa
U
Np
Pu
Am
Cm
Bk
Cf
Es
Fm
Md
No
Lr
Rf
Db
Sg
Bh
Hs
Mt
Ds
Rg
Cn
Nh
Fl
Mc
Lv
Ts
Og
Isotope Abundances of the elements
Text lists sorted by:
Value |
Atomic Number
|
Alphabetical
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Log scale plots:
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Good for this property:
Atomic Number
Hydrogen
1
H
99.9885%
2
H
0.0115%
Helium
3
He
0.000137%
4
He
99.999863%
Lithium
6
Li
7.59%
7
Li
92.41%
Beryllium
9
Be
100%
Boron
10
B
19.9%
11
B
80.1%
Carbon
12
C
98.93%
13
C
1.07%
Nitrogen
14
N
99.632%
15
N
0.368%
Oxygen
16
O
99.757%
17
O
0.038%
18
O
0.205%
Fluorine
19
F
100%
Neon
20
Ne
90.48%
21
Ne
0.27%
22
Ne
9.25%
Sodium
23
Na
100%
Magnesium
24
Mg
78.99%
25
Mg
10%
26
Mg
11.01%
Aluminum
27
Al
100%
Silicon
28
Si
92.2297%
29
Si
4.6832%
30
Si
3.0872%
Phosphorus
31
P
100%
Sulfur
32
S
94.93%
33
S
0.76%
34
S
4.29%
36
S
0.02%
Chlorine
35
Cl
75.78%
37
Cl
24.22%
Argon
36
Ar
0.3365%
38
Ar
0.0632%
40
Ar
99.6003%
Potassium
39
K
93.2581%
40
K
0.0117%
41
K
6.7302%
Calcium
40
Ca
96.941%
42
Ca
0.647%
43
Ca
0.135%
44
Ca
2.086%
46
Ca
0.004%
48
Ca
0.187%
Scandium
45
Sc
100%
Titanium
46
Ti
8.25%
47
Ti
7.44%
48
Ti
73.72%
49
Ti
5.41%
50
Ti
5.18%
Vanadium
50
V
0.25%
51
V
99.75%
Chromium
50
Cr
4.345%
52
Cr
83.789%
53
Cr
9.501%
54
Cr
2.365%
Manganese
55
Mn
100%
Iron
54
Fe
5.845%
56
Fe
91.754%
57
Fe
2.119%
58
Fe
0.282%
Cobalt
59
Co
100%
Nickel
58
Ni
68.0769%
60
Ni
26.2231%
61
Ni
1.1399%
62
Ni
3.6345%
64
Ni
0.9256%
Copper
63
Cu
69.17%
65
Cu
30.83%
Zinc
64
Zn
48.63%
66
Zn
27.9%
67
Zn
4.1%
68
Zn
18.75%
70
Zn
0.62%
Gallium
69
Ga
60.108%
71
Ga
39.892%
Germanium
70
Ge
20.84%
72
Ge
27.54%
73
Ge
7.73%
74
Ge
36.28%
76
Ge
7.61%
Arsenic
75
As
100%
Selenium
74
Se
0.89%
76
Se
9.37%
77
Se
7.63%
78
Se
23.77%
80
Se
49.61%
82
Se
8.73%
Bromine
79
Br
50.69%
81
Br
49.31%
Krypton
78
Kr
0.35%
80
Kr
2.28%
82
Kr
11.58%
83
Kr
11.49%
84
Kr
57%
86
Kr
17.3%
Rubidium
85
Rb
72.17%
87
Rb
27.83%
Strontium
84
Sr
0.56%
86
Sr
9.86%
87
Sr
7%
88
Sr
82.58%
Yttrium
89
Y
100%
Zirconium
90
Zr
51.45%
91
Zr
11.22%
92
Zr
17.15%
94
Zr
17.38%
96
Zr
2.8%
Niobium
93
Nb
100%
Molybdenum
100
Mo
9.63%
92
Mo
14.84%
94
Mo
9.25%
95
Mo
15.92%
96
Mo
16.68%
97
Mo
9.55%
98
Mo
24.13%
Technetium
Ruthenium
100
Ru
12.6%
101
Ru
17.06%
102
Ru
31.55%
104
Ru
18.62%
96
Ru
5.54%
98
Ru
1.87%
99
Ru
12.76%
Rhodium
103
Rh
100%
Palladium
102
Pd
1.02%
104
Pd
11.14%
105
Pd
22.33%
106
Pd
27.33%
108
Pd
26.46%
110
Pd
11.72%
Silver
107
Ag
51.839%
109
Ag
48.161%
Cadmium
106
Cd
1.25%
108
Cd
0.89%
110
Cd
12.49%
111
Cd
12.8%
112
Cd
24.13%
113
Cd
12.22%
114
Cd
28.73%
116
Cd
7.49%
Indium
113
In
4.29%
115
In
95.71%
Tin
112
Sn
0.97%
114
Sn
0.66%
115
Sn
0.34%
116
Sn
14.54%
117
Sn
7.68%
118
Sn
24.22%
119
Sn
8.59%
120
Sn
32.58%
122
Sn
4.63%
124
Sn
5.79%
Antimony
121
Sb
57.21%
123
Sb
42.79%
Tellurium
120
Te
0.09%
122
Te
2.55%
123
Te
0.89%
124
Te
4.74%
125
Te
7.07%
126
Te
18.84%
128
Te
31.74%
130
Te
34.08%
Iodine
127
I
100%
Xenon
124
Xe
0.09%
126
Xe
0.09%
128
Xe
1.92%
129
Xe
26.44%
130
Xe
4.08%
131
Xe
21.18%
132
Xe
26.89%
134
Xe
10.44%
136
Xe
8.87%
Cesium
133
Cs
100%
Barium
130
Ba
0.106%
132
Ba
0.101%
134
Ba
2.417%
135
Ba
6.592%
136
Ba
7.854%
137
Ba
11.232%
138
Ba
71.698%
Lanthanum
138
La
0.09%
139
La
99.91%
Cerium
136
Ce
0.185%
138
Ce
0.251%
140
Ce
88.45%
142
Ce
11.114%
Praseodymium
141
Pr
100%
Neodymium
142
Nd
27.2%
143
Nd
12.2%
144
Nd
23.8%
145
Nd
8.3%
146
Nd
17.2%
148
Nd
5.7%
150
Nd
5.6%
Promethium
Samarium
144
Sm
3.07%
147
Sm
14.99%
148
Sm
11.24%
149
Sm
13.82%
150
Sm
7.38%
152
Sm
26.75%
154
Sm
22.75%
Europium
151
Eu
47.81%
153
Eu
52.19%
Gadolinium
152
Gd
0.2%
154
Gd
2.18%
155
Gd
14.8%
156
Gd
20.47%
157
Gd
15.65%
158
Gd
24.84%
160
Gd
21.86%
Terbium
159
Tb
100%
Dysprosium
156
Dy
0.06%
158
Dy
0.1%
160
Dy
2.34%
161
Dy
18.91%
162
Dy
25.51%
163
Dy
24.9%
164
Dy
28.18%
Holmium
165
Ho
100%
Erbium
162
Er
0.14%
164
Er
1.61%
166
Er
33.61%
167
Er
22.93%
168
Er
26.78%
170
Er
14.93%
Thulium
169
Tm
100%
Ytterbium
168
Yb
0.13%
170
Yb
3.04%
171
Yb
14.28%
172
Yb
21.83%
173
Yb
16.13%
174
Yb
31.83%
176
Yb
12.76%
Lutetium
175
Lu
97.41%
176
Lu
2.59%
Hafnium
174
Hf
0.16%
176
Hf
5.26%
177
Hf
18.6%
178
Hf
27.28%
179
Hf
13.62%
180
Hf
35.08%
Tantalum
181
Ta
99.988%
Tungsten
180
W
0.12%
182
W
26.5%
183
W
14.31%
184
W
30.64%
186
W
28.43%
Rhenium
185
Re
37.4%
187
Re
62.6%
Osmium
184
Os
0.02%
186
Os
1.59%
187
Os
1.96%
188
Os
13.24%
189
Os
16.15%
190
Os
26.26%
192
Os
40.78%
Iridium
191
Ir
37.3%
193
Ir
62.7%
Platinum
190
Pt
0.014%
192
Pt
0.782%
194
Pt
32.967%
195
Pt
33.832%
196
Pt
25.242%
198
Pt
7.163%
Gold
197
Au
100%
Mercury
196
Hg
0.15%
198
Hg
9.97%
199
Hg
16.87%
200
Hg
23.1%
201
Hg
13.18%
202
Hg
29.86%
204
Hg
6.87%
Thallium
203
Tl
29.524%
205
Tl
70.476%
Lead
204
Pb
1.4%
206
Pb
24.1%
207
Pb
22.1%
208
Pb
52.4%
Bismuth
209
Bi
100%
Polonium
Astatine
Radon
Francium
Radium
Actinium
Thorium
232
Th
100%
Protactinium
Uranium
234
U
0.0055%
235
U
0.72%
238
U
99.2745%
Neptunium
Plutonium
Americium
Curium
Berkelium
Californium
Einsteinium
Fermium
Mendelevium
Nobelium
Lawrencium
Rutherfordium
Dubnium
Seaborgium
Bohrium
Hassium
Meitnerium
Darmstadtium
Roentgenium
Copernicium
Nihonium
Flerovium
Moscovium
Livermorium
Tennessine
Oganesson
Up to date, curated data provided by
Mathematica
's
ElementData
function from
Wolfram Research, Inc.
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Common Properties
Abundance in Earth's Crust
Discovery Year
Abundance in Humans
Electrical Conductivity
Abundance in Meteorites
Electron Affinity
Abundance in the Ocean
Electron Configuration
Abundance in the Sun
Electronegativity
Abundance in the Universe
Half Life
Atomic Mass
Heat of Fusion
Atomic Number
Heat of Vaporization
Atomic Radius
Ionization Energies
Boiling Point
Melting Point
Covalent Radius
Specific Heat
Density
 
Other Properties
Adiabatic Index
Mohs Hardness
Allotrope Names
Molar Magnetic Susceptibility
Alternate Names
Molar Volume
Block
Neutron Cross Section
Brinell Hardness
Neutron Mass Absorption
Bulk Modulus
NFPA Label
CAS Number
Period
CID Number
Phase
Color
Poisson Ratio
Critical Pressure
Quantum Numbers
Critical Temperature
Radioactive
Crystal Structure
Refractive Index
Curie Point
Resistivity
Decay Mode
RTECS Number
DOT Hazard Class
Series
DOT Numbers
Shear Modulus
Electrical Type
Space Group Name
Gas Atomic Multiplicities
Space Group Number
Group
Speed of Sound
Isotope Abundances
Superconducting Point
Isotopes (All Known)
Symbol
Isotopes (Stable)
Thermal Conductivity
Lattice Angles
Thermal Expansion
Lattice Constants
Valence
Lifetime
Van Der Waals Radius
Liquid Density
Vickers Hardness
Magnetic Type
Volume Magnetic Susceptibility
Mass Magnetic Susceptibility
Young Modulus
Memberships