Home
Click on the slider to change the temperature
thumb
 
 Solid
 
 Liquid
 
 Gas
1
H
1.0079
                
2
He
4.0026
3
Li
6.941
4
Be
9.01218
          
5
B
10.81
6
C
12
7
N
14.0067
8
O
15.99994
9
F
18.998403
10
Ne
20.179
11
Na
22.9898
12
Mg
24.305
          
13
Al
26.98154
14
Si
28.0855
15
P
30.97376
16
S
32.06
17
Cl
35.453
18
Ar
39.948
19
K
39.0983
20
Ca
40.08
21
Sc
44.9559
22
Ti
47.9
23
V
50.9415
24
Cr
51.996
25
Mn
54.938
26
Fe
55.847
27
Co
58.9332
28
Ni
58.71
29
Cu
63.546
30
Zn
65.38
31
Ga
69.737
32
Ge
72.59
33
As
74.9216
34
Se
78.96
35
Br
79.904
36
Kr
83.8
37
Rb
85.4678
38
Sr
87.62
39
Y
88.9059
40
Zr
91.22
41
Nb
92.9064
42
Mo
95.94
43
Tc
98.9062
44
Ru
101.07
45
Rh
102.9055
46
Pd
106.4
47
Ag
107.868
48
Cd
112.41
49
In
114.82
50
Sn
118.69
51
Sb
121.75
52
Te
127.6
53
I
126.9045
54
Xe
131.3
55
Cs
132.9045
56
Ba
137.33
57
La
138.9055
72
Hf
178.49
73
Ta
180.9479
74
W
183.85
75
Re
186.2
76
Os
190.2
77
Ir
192.22
78
Pt
195.09
79
Au
196.665
80
Hg
200.59
81
Tl
204.37
82
Pb
207.2
83
Bi
208.9808
84
Po
209
85
At
210
86
Rn
222
87
Fr
223
88
Ra
226.0254
89
Ac
227
104
Rf
261
105
Db
262
106
Sg
271
108
Hs
277
107
Bh
270
109
Mt
270
110
Ds
281
111
Uuu
272
112
Uub
277
113
Uut
284
114
Uuq
289
115
Uup
288
Lanthanide Series
58
Ce
140.12
59
Pr
140.9077
60
Nd
144.24
61
Pm
145
62
Sm
150.4
63
Eu
151.96
64
Gd
157.25
65
Tb
158.9254
66
Dy
162.5
67
Ho
164.9304
68
Er
167.26
69
Tm
168.9342
70
Yb
173.04
71
Lu
174.967
Actinide Series
90
Th
232.0381
91
Pa
231.0359
92
U
238.029
93
Np
237.0482
94
Pu
244
95
Am
243
96
Cm
247
97
Bk
247
98
Cf
251
99
Es
252
100
Fm
257
101
Md
258
102
No
259
103
Lr
262
Click on any of the squares above for more information on an element.

Click on the column headings below to sort the elements in different ways.
 Atomic NumberSymbolNameAverage Atomic Weight (grams/mole)Oxidation StatesMelting Temperature (°C)Boiling Temperature (°C)Year DiscoveredDensity grams/cm3 (solid) or grams/liter (liquid)Specific Heat Capacity J/(g K) (at 25° and 1 atm)Thermal Conductivity W/(cm K) (at 25° and 1atm, W = watt)First Ionic Potential (eV)Electron Affinity (eV)
More Info 1HHydrogen1.00791-259.14-252.8717660.089914.30.00181513.5980.75
More Info 2HeHelium4.0026 -272.2-268.9318680.17855.190.00151924.587 
More Info 3LiLithium6.9411180.54134218170.533.5820.8475.3920.62
More Info 4BeBeryllium9.0121821287247117981.851.82529.322 
More Info 5BBoron10.8132076400018082.341.0260.278.30.28
More Info 6CCarbon124,235503825 2.260.7091.9611.261.26
More Info 7NNitrogen14.0067-3,3,5,4,2-209.86-195.817721.2511.0420.0002597914.534 
More Info 8OOxygen15.99994-2-218.4-182.96 1.4290.920.00267413.6181.46
More Info 9FFlourine18.998403-1-220-188.1418861.6960.8240.00027917.4223.4
More Info 10NeNeon20.179 -248.67-246.0518980.91.030.00049321.564 
More Info 11NaSodium22.9898197.8882.918070.971.231.415.1390.55
More Info 12MgMagnesium24.3052650109017551.741.021.567.646 
More Info 13AlAluminum26.981543660251918272.70.92.375.9860.44
More Info 14SiSilicon28.085541414326518242.330.711.498.1511.39
More Info 15PPhosphorous30.97376-3,3,5,444.228016691.820.7690.0023510.4860.75
More Info 16SSulfur32.06-2,2,4,6120444.67 2.070.710.0026910.362.08
More Info 17ClChlorine35.453-1,1,3,5,7-102-34.617743.2140.488.9E-0512.9673.16
More Info 18ArArgon39.948 -189.2-185.718941.7840.520.00017715.759 
More Info 19KPotassium39.0983163.775918070.890.7571.0254.3410.5
More Info 20CaCalcium40.082842148418081.550.6472.016.1130.04
More Info 21ScScandium44.955931541283618762.990.5680.1586.560.19
More Info 22TiTitanium47.941668328717914.540.5230.2196.830.08
More Info 23VVanadium50.94155,319103407180160.4890.3076.750.53
More Info 24CrChromium51.9966,3,21907467117977.150.4490.9376.7660.67
More Info 25MnManganese54.9387,6,4,2,31246206117747.30.480.07827.435 
More Info 26FeIron55.8472,315382861 7.8740.4490.8027.870.151
More Info 27CoCobalt58.93322,31495292717358.90.42117.880.66
More Info 28NiNickel58.712,31455391317518.90.4440.9077.6351.16
More Info 29CuCopper63.5462,110852562 8.960.3854.017.7261.24
More Info 30ZnZinc65.382420907 7.130.3881.169.394 
More Info 31GaGallium69.737330220418755.910.3710.4065.10.3
More Info 32GeGermanium72.594939283318865.320.320.5997.8991.23
More Info 33AsArsenic74.9216-3,3,5817603 5.780.330.59.810.81
More Info 34SeSelenium78.962,-2,4,6221684.918174.790.320.02049.7522.02
More Info 35BrBromine79.904-1,1,5-7.258.7818263.120.2260.0012211.8143.36
More Info 36KrKrypton83.8 -156.6-152.318983.750.2489.49E-0513.999 
More Info 37RbRubidium85.4678138.8968818611.5320.3630.584.1770.49
More Info 38SrStrontium87.622777138218082.640.30.03535.6950.11
More Info 39YYttrium88.905931522334517944.470.30.1726.220.31
More Info 40ZrZirconium91.2241855440917896.510.2780.22696.630.43
More Info 41NbNiobium92.90645,32477474418018.570.2650.5376.760.9
More Info 42MoMolybdenum95.946,5,4,3,226234639177810.220.251.387.0990.75
More Info 43TcTechnetium98.90627215742651937110.240.5067.280.55
More Info 44RuRuthenium101.072,3,4,6,823344150184412.10.2381.177.361.05
More Info 45RhRhodium102.90552,3,419643695180312.410.2421.57.461.14
More Info 46PdPalladium106.42,4155529631803120.250.7188.340.56
More Info 47AgSilver107.86819622162 10.50.2354.297.5761.3
More Info 48CdCadmium112.41232176718178.690.2320.9688.993 
More Info 49InIndium114.8231572072 7.310.2330.8165.7860.3
More Info 50SnTin118.694,22322702 7.260.2280.66597.3441.11
More Info 51SbAntimony121.75-3,3,56311587 6.680.2070.2438.6411.07
More Info 52TeTellurium127.6-2,2,4,6449.5989.817826.240.2020.02359.0091.97
More Info 53IIodine126.9045-1,1,5,7114184.3518114.920.1450.0044910.4513.06
More Info 54XeXenon131.3 -111.9-10818985.890.1585.69E-0512.13 
More Info 55CsCesium132.904512867118601.930.240.3593.8940.47
More Info 56BaBarium137.332727189718083.620.2040.1845.2120.15
More Info 57LaLanthanum138.90553918346418396.150.190.1355.770.5
More Info 58CeCerium140.123,4798344318036.770.190.1145.54 
More Info 59PrPraseodymium140.90773,4931352018856.770.1930.1255.46 
More Info 60NdNeodumium144.2431021307419257.010.190.1655.53 
More Info 61PmPromethium14531042300019147.26 0.155.554 
More Info 62SmSamarium150.43,21074179418797.520.1970.135.64 
More Info 63EuEuropium151.963,2822152919015.240.1820.1395.67 
More Info 64GdGadolinium157.2531313327318807.90.2360.1066.15 
More Info 65TbTerbium158.92543,41356323018438.230.180.1115.86 
More Info 66DyDysprosium162.531412256718868.550.1730.1075.94 
More Info 67HoHolmium164.930431474270018788.80.1650.1626.018 
More Info 68ErErbium167.2631529286819059.070.1680.156.11 
More Info 69TmThulium168.93423,21545195018799.330.160.1686.184 
More Info 70YbYtterbium173.043,2819119619076.90.1550.396.254 
More Info 71LuLutetium174.96731663340219079.840.150.16395.43 
More Info 72HfHafnium178.49422334603192313.310.140.236.830
More Info 73TaTantalum180.9479530175458180216.40.140.5757.890.32
More Info 74WTungsten183.856,5,4,3,234225555178319.30.131.747.980.86
More Info 75ReRhenium186.27,6,4,2,-131865596192520.80.1370.4797.880.15
More Info 76OsOsmium190.22,3,4,6,830335012180322.60.130.8768.71.1
More Info 77IrIridium192.222,3,4,624464428180322.50.131.479.11.57
More Info 78PtPlatinum195.092,417683825173521.450.130.71692.13
More Info 79AuGold196.6653,110642856 19.30.1283.179.2252.31
More Info 80HgMercury200.592,1-38.84356.58 13.530.140.083410.437 
More Info 81TlThallium204.373,13041473186111.80.1290.4616.1080.2
More Info 82PbLead207.24,23281749 11.30.1290.353