H
Home
Background Color:
He
Li
Be
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Gray
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
Uub
Uut
Uuq
Uup
Uuh
Uus
Uuo
Stable Isotopes of the elements
Text lists sorted by:
Value
| Atomic Number |
Alphabetical
Plots:
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Log scale plots:
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Good for this property:
Atomic Number
Hydrogen
1
H
,
2
H
Helium
3
He
,
4
He
Lithium
6
Li
,
7
Li
Beryllium
9
Be
Boron
10
B
,
11
B
Carbon
12
C
,
13
C
Nitrogen
14
N
,
15
N
Oxygen
16
O
,
17
O
,
18
O
Fluorine
19
F
Neon
20
Ne
,
21
Ne
,
22
Ne
Sodium
23
Na
Magnesium
24
Mg
,
25
Mg
,
26
Mg
Aluminum
27
Al
Silicon
28
Si
,
29
Si
,
30
Si
Phosphorus
31
P
Sulfur
32
S
,
33
S
,
34
S
,
36
S
Chlorine
35
Cl
,
37
Cl
Argon
36
Ar
,
38
Ar
,
40
Ar
Potassium
39
K
,
41
K
Calcium
40
Ca
,
42
Ca
,
43
Ca
,
44
Ca
,
46
Ca
Scandium
45
Sc
Titanium
46
Ti
,
47
Ti
,
48
Ti
,
49
Ti
,
50
Ti
Vanadium
51
V
Chromium
50
Cr
,
52
Cr
,
53
Cr
,
54
Cr
Manganese
55
Mn
Iron
54
Fe
,
56
Fe
,
57
Fe
,
58
Fe
Cobalt
59
Co
Nickel
58
Ni
,
60
Ni
,
61
Ni
,
62
Ni
,
64
Ni
Copper
63
Cu
,
65
Cu
Zinc
64
Zn
,
66
Zn
,
67
Zn
,
68
Zn
,
70
Zn
Gallium
69
Ga
,
71
Ga
Germanium
70
Ge
,
72
Ge
,
73
Ge
,
74
Ge
Arsenic
75
As
Selenium
74
Se
,
76
Se
,
77
Se
,
78
Se
,
80
Se
Bromine
79
Br
,
81
Br
Krypton
78
Kr
,
80
Kr
,
82
Kr
,
83
Kr
,
84
Kr
,
86
Kr
Rubidium
85
Rb
Strontium
84
Sr
,
86
Sr
,
87
Sr
,
88
Sr
Yttrium
89
Y
Zirconium
90
Zr
,
91
Zr
,
92
Zr
,
94
Zr
Niobium
93
Nb
Molybdenum
92
Mo
,
94
Mo
,
95
Mo
,
96
Mo
,
97
Mo
,
98
Mo
Technetium
Ruthenium
100
Ru
,
101
Ru
,
102
Ru
,
104
Ru
,
96
Ru
,
98
Ru
,
99
Ru
Rhodium
103
Rh
Palladium
102
Pd
,
104
Pd
,
105
Pd
,
106
Pd
,
108
Pd
,
110
Pd
Silver
107
Ag
,
109
Ag
Cadmium
106
Cd
,
108
Cd
,
110
Cd
,
111
Cd
,
112
Cd
,
114
Cd
Indium
113
In
Tin
112
Sn
,
114
Sn
,
115
Sn
,
116
Sn
,
117
Sn
,
118
Sn
,
119
Sn
,
120
Sn
,
122
Sn
,
124
Sn
Antimony
121
Sb
,
123
Sb
Tellurium
120
Te
,
122
Te
,
124
Te
,
125
Te
,
126
Te
Iodine
127
I
Xenon
124
Xe
,
126
Xe
,
128
Xe
,
129
Xe
,
130
Xe
,
131
Xe
,
132
Xe
,
134
Xe
,
136
Xe
Cesium
133
Cs
Barium
130
Ba
,
132
Ba
,
134
Ba
,
135
Ba
,
136
Ba
,
137
Ba
,
138
Ba
Lanthanum
139
La
Cerium
136
Ce
,
138
Ce
,
140
Ce
,
142
Ce
Praseodymium
141
Pr
Neodymium
142
Nd
,
143
Nd
,
145
Nd
,
146
Nd
,
148
Nd
Promethium
Samarium
144
Sm
,
149
Sm
,
150
Sm
,
152
Sm
,
154
Sm
Europium
151
Eu
,
153
Eu
Gadolinium
154
Gd
,
155
Gd
,
156
Gd
,
157
Gd
,
158
Gd
,
160
Gd
Terbium
159
Tb
Dysprosium
156
Dy
,
158
Dy
,
160
Dy
,
161
Dy
,
162
Dy
,
163
Dy
,
164
Dy
Holmium
165
Ho
Erbium
162
Er
,
164
Er
,
166
Er
,
167
Er
,
168
Er
,
170
Er
Thulium
169
Tm
Ytterbium
168
Yb
,
170
Yb
,
171
Yb
,
172
Yb
,
173
Yb
,
174
Yb
,
176
Yb
Lutetium
175
Lu
Hafnium
176
Hf
,
177
Hf
,
178
Hf
,
179
Hf
,
180
Hf
Tantalum
181
Ta
Tungsten
180
W
,
182
W
,
183
W
,
184
W
,
186
W
Rhenium
185
Re
Osmium
184
Os
,
187
Os
,
188
Os
,
189
Os
,
190
Os
,
192
Os
Iridium
191
Ir
,
193
Ir
Platinum
192
Pt
,
194
Pt
,
195
Pt
,
196
Pt
,
198
Pt
Gold
197
Au
Mercury
196
Hg
,
198
Hg
,
199
Hg
,
200
Hg
,
201
Hg
,
202
Hg
,
204
Hg
Thallium
203
Tl
,
205
Tl
Lead
204
Pb
,
206
Pb
,
207
Pb
,
208
Pb
Bismuth
Polonium
Astatine
Radon
Francium
Radium
Actinium
Thorium
232
Th
Protactinium
Uranium
Neptunium
Plutonium
Americium
Curium
Berkelium
Californium
Einsteinium
Fermium
Mendelevium
Nobelium
Lawrencium
Rutherfordium
Dubnium
Seaborgium
Bohrium
Hassium
Meitnerium
Darmstadtium
Roentgenium
Ununbium
Ununtrium
Ununquadium
Ununpentium
Ununhexium
Ununseptium
Ununoctium
Up to date, curated data provided by
Mathematica
's
ElementData
function from
Wolfram Research, Inc.
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Absolute Boiling Point
Isotope Abundances
Absolute Melting Point
Known Isotopes
Abundance in Earth's Crust
Lattice Angles
Abundance in Humans
Lattice Constants
Abundance in Meteorites
Lifetime
Abundance in the Ocean
Liquid Density
Abundance in the Sun
Magnetic Type
Abundance in the Universe
Mass Magnetic Susceptibility
Adiabatic Index
Melting Point
Allotrope Names
Memberships
Alternate Names
Mohs Hardness
Atomic Number
Molar Magnetic Susceptibility
Atomic Radius
Molar Volume
Atomic Weight
Name
Autoignition Point
Neel Point
Block
Neutron Cross Section
Boiling Point
Neutron Mass Absorption
Brinell Hardness
NFPA Fire Rating
Bulk Modulus
NFPA Hazards
CAS Number
NFPA Health Rating
CID Number
NFPA Label
Color
NFPA Reactivity Rating
Covalent Radius
NSC Number
Critical Pressure
Period
Critical Temperature
Phase
Crystal Structure
Poisson Ratio
Curie Point
Quantum Numbers
Decay Mode
Radioactive
Density
Refractive Index
Discovery Year
Resistivity
DOT Hazard Class
RTECS Classes
DOT Numbers
RTECS Number
Electrical Conductivity
Shear Modulus
Electrical Type
Space Group Name
Electron Affinity
Space Group Number
Electron Configuration
Specific Heat
Electronegativity
Speed of Sound
EU Number
Stable Isotopes
Flash Point
Superconducting Point
Gas Atomic Multiplicities
Symbol
Gmelin Number
Thermal Conductivity
Group
Thermal Expansion
Half Life
Valence
Heat of Combustion
Van Der Waals Radius
Heat of Fusion
Vickers Hardness
Heat of Vaporization
Volume Magnetic Susceptibility
Ionization Energies
Young Modulus