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Symbol: H
Atomic Number: 1
Atomic Mass: 1.008
Category: Nonmetal
Group: 1
Period: 1
Density: 0.00008
Melting Point: -259.16°C
Boiling Point: -252.879°C
Symbol: He
Atomic Number: 2
Atomic Mass: 4.002602
Category: Noble Gas
Group: 18
Period: 1
Density: 0.0001786
Melting Point: -272.2°C
Boiling Point: -268.93°C
Symbol: Li
Atomic Number: 3
Atomic Mass: 6.94
Category: Alkali Metal
Group: 1
Period: 2
Density: 0.534
Melting Point: 180.54°C
Boiling Point: 1330°C
Symbol: Be
Atomic Number: 4
Atomic Mass: 9.0122
Category: Alkaline Earth Metal
Group: 2
Period: 2
Density: 1.85
Melting Point: 1287°C
Boiling Point: 2469°C
Symbol: B
Atomic Number: 5
Atomic Mass: 10.81
Category: Metalloid
Group: 13
Period: 2
Density: 2.34
Melting Point: 2076°C
Boiling Point: 3927°C
Symbol: C
Atomic Number: 6
Atomic Mass: 12.01
Category: Nonmetal
Group: 14
Period: 2
Density: 2.267
Melting Point: Sublimation
Boiling Point: Sublimation
Symbol: N
Atomic Number: 7
Atomic Mass: 14.007
Category: Nonmetal
Group: 15
Period: 2
Density: 0.0012506
Melting Point: -210.00°C
Boiling Point: -195.79°C
Symbol: O
Atomic Number: 8
Atomic Mass: 15.999
Category: Nonmetal
Group: 16
Period: 2
Density: 0.001429
Melting Point: -218.79°C
Boiling Point: -183.0°C
Symbol: F
Atomic Number: 9
Atomic Mass: 18.998403163
Category: Halogen
Group: 17
Period: 2
Density: 0.001696
Melting Point: -219.67°C
Boiling Point: -188.11°C
Symbol: Ne
Atomic Number: 10
Atomic Mass: 20.1797
Category: Noble Gas
Group: 18
Period: 2
Density: 0.0008999
Melting Point: -248.59°C
Boiling Point: -246.046°C
Symbol: Na
Atomic Number: 11
Atomic Mass: 22.98976928
Category: Alkali Metal
Group: 1
Period: 3
Density: 0.971
Melting Point: 97.72°C
Boiling Point: 882.9°C
Symbol: Mg
Atomic Number: 12
Atomic Mass: 24.305
Category: Alkaline Earth Metal
Group: 2
Period: 3
Density: 1.738
Melting Point: 650°C
Boiling Point: 1091°C
Symbol: Al
Atomic Number: 13
Atomic Mass: 26.9815386
Category: Post-transition Metal
Group: 13
Period: 3
Density: 2.70
Melting Point: 660.32°C
Boiling Point: 2519°C
Symbol: Si
Atomic Number: 14
Atomic Mass: 28.085
Category: Metalloid
Group: 14
Period: 3
Density: 2.3290
Melting Point: 1414°C
Boiling Point: 3265°C
Symbol: P
Atomic Number: 15
Atomic Mass: 30.973761998
Category: Nonmetal
Group: 15
Period: 3
Density: 1.82
Melting Point: 44.15°C
Boiling Point: 280.5°C
Symbol: S
Atomic Number: 16
Atomic Mass: 32.06
Category: Nonmetal
Group: 16
Period: 3
Density: 2.067
Melting Point: 115.21°C
Boiling Point: 444.6°C
Symbol: Cl
Atomic Number: 17
Atomic Mass: 35.45
Category: Halogen
Group: 17
Period: 3
Density: 0.003214
Melting Point: -101.5°C
Boiling Point: -34.04°C
Symbol: Ar
Atomic Number: 18
Atomic Mass: 39.948
Category: Noble Gas
Group: 18
Period: 3
Density: 0.0017837
Melting Point: -189.34°C
Boiling Point: -185.85°C
Symbol: K
Atomic Number: 19
Atomic Mass: 39.0983
Category: Alkali Metal
Group: 1
Period: 4
Density: 0.862
Melting Point: 63.38°C
Boiling Point: 759°C
Symbol: Ca
Atomic Number: 20
Atomic Mass: 40.078
Category: Alkaline Earth Metal
Group: 2
Period: 4
Density: 1.55
Melting Point: 842°C
Boiling Point: 1484°C
Symbol: Sc
Atomic Number: 21
Atomic Mass: 44.955908
Category: Transition Metal
Group: 3
Period: 4
Density: 2.985
Melting Point: 1541°C
Boiling Point: 2836°C
Symbol: Ti
Atomic Number: 22
Atomic Mass: 47.867
Category: Transition Metal
Group: 4
Period: 4
Density: 4.506
Melting Point: 1668°C
Boiling Point: 3287°C
Symbol: V
Atomic Number: 23
Atomic Mass: 50.9415
Category: Transition Metal
Group: 5
Period: 4
Density: 6.0
Melting Point: 1910°C
Boiling Point: 3407°C
Symbol: Cr
Atomic Number: 24
Atomic Mass: 51.9961
Category: Transition Metal
Group: 6
Period: 4
Density: 7.19
Melting Point: 1907°C
Boiling Point: 2671°C
Symbol: Mn
Atomic Number: 25
Atomic Mass: 54.938044
Category: Transition Metal
Group: 7
Period: 4
Density: 7.21
Melting Point: 1246°C
Boiling Point: 2061°C
Symbol: Fe
Atomic Number: 26
Atomic Mass: 55.845
Category: Transition Metal
Group: 8
Period: 4
Density: 7.874
Melting Point: 1538°C
Boiling Point: 2862°C
Symbol: Co
Atomic Number: 27
Atomic Mass: 58.933194
Category: Transition Metal
Group: 9
Period: 4
Density: 8.86
Melting Point: 1495°C
Boiling Point: 2927°C
Symbol: Ni
Atomic Number: 28
Atomic Mass: 58.6934
Category: Transition Metal
Group: 10
Period: 4
Density: 8.912
Melting Point: 1455°C
Boiling Point: 2730°C
Symbol: Cu
Atomic Number: 29
Atomic Mass: 63.546
Category: Transition Metal
Group: 11
Period: 4
Density: 8.96
Melting Point: 1085°C
Boiling Point: 2562°C
Symbol: Zn
Atomic Number: 30
Atomic Mass: 65.38
Category: Transition Metal
Group: 12
Period: 4
Density: 7.134
Melting Point: 419.53°C
Boiling Point: 907°C
Symbol: Ga
Atomic Number: 31
Atomic Mass: 69.723
Category: Post-transition Metal
Group: 13
Period: 4
Density: 5.91
Melting Point: 29.76°C
Boiling Point: 2204°C
Symbol: Ge
Atomic Number: 32
Atomic Mass: 72.63
Category: Metalloid
Group: 14
Period: 4
Density: 5.323
Melting Point: 938.25°C
Boiling Point: 2833°C
Symbol: As
Atomic Number: 33
Atomic Mass: 74.921595
Category: Metalloid
Group: 15
Period: 4
Density: 5.776
Melting Point: Sublimation
Boiling Point: Sublimation
Symbol: Se
Atomic Number: 34
Atomic Mass: 78.971
Category: Nonmetal
Group: 16
Period: 4
Density: 4.809
Melting Point: 221°C
Boiling Point: 685°C
Symbol: Br
Atomic Number: 35
Atomic Mass: 79.904
Category: Halogen
Group: 17
Period: 4
Density: 3.122
Melting Point: -7.2°C
Boiling Point: 58.8°C
Symbol: Kr
Atomic Number: 36
Atomic Mass: 83.798
Category: Noble Gas
Group: 18
Period: 4
Density: 0.003733
Melting Point: -157.36°C
Boiling Point: -153.22°C
Symbol: Rb
Atomic Number: 37
Atomic Mass: 85.4678
Category: Alkali Metal
Group: 1
Period: 5
Density: 1.532
Melting Point: 39.3°C
Boiling Point: 688°C
Symbol: Sr
Atomic Number: 38
Atomic Mass: 87.62
Category: Alkaline Earth Metal
Group: 2
Period: 5
Density: 2.64
Melting Point: 777°C
Boiling Point: 1377°C
Atomic Number: 39
Atomic Mass: 88.90584
Category: Transition Metal
Group: 3
Period: 5
Density: 4.472
Melting Point: 1526°C
Boiling Point: 3345°C
Symbol: Zr
Atomic Number: 40
Atomic Mass: 91.224
Category: Transition Metal
Group: 4
Period: 5
Density: 6.52
Melting Point: 1855°C
Boiling Point: 4409°C
Symbol: Nb
Atomic Number: 41
Atomic Mass: 92.90637
Category: Transition Metal
Group: 5
Period: 5
Density: 8.57
Melting Point: 2477°C
Boiling Point: 4744°C
Symbol: Mo
Atomic Number: 42
Atomic Mass: 95.95
Category: Transition Metal
Group: 6
Period: 5
Density: 10.28
Melting Point: 2623°C
Boiling Point: 4639°C
Symbol: Tc
Atomic Number: 43
Atomic Mass: [98]
Category: Transition Metal
Group: 7
Period: 5
Density: 11.5
Melting Point: 2157°C
Boiling Point: 4265°C
Symbol: Ru
Atomic Number: 44
Atomic Mass: 101.07
Category: Transition Metal
Group: 8
Period: 5
Density: 12.37
Melting Point: 2334°C
Boiling Point: 4150°C
Symbol: Rh
Atomic Number: 45
Atomic Mass: 102.90550
Category: Transition Metal
Group: 9
Period: 5
Density: 12.41
Melting Point: 1964°C
Boiling Point: 3695°C
Symbol: Pd
Atomic Number: 46
Atomic Mass: 106.42
Category: Transition Metal
Group: 10
Period: 5
Density: 12.02
Melting Point: 1554.9°C
Boiling Point: 2963°C
Symbol: Ag
Atomic Number: 47
Atomic Mass: 107.8682
Category: Transition Metal
Group: 11
Period: 5
Density: 10.49
Melting Point: 961.78°C
Boiling Point: 2162°C
Symbol: Cd
Atomic Number: 48
Atomic Mass: 112.414
Category: Transition Metal
Group: 12
Period: 5
Density: 8.65
Melting Point: 321.07°C
Boiling Point: 767°C
Symbol: In
Atomic Number: 49
Atomic Mass: 114.818
Category: Post-transition Metal
Group: 13
Period: 5
Density: 7.31
Melting Point: 156.6°C
Boiling Point: 2072°C
Symbol: Sn
Atomic Number: 50
Atomic Mass: 118.710
Category: Post-transition Metal
Group: 14
Period: 5
Density: 7.287
Melting Point: 231.93°C
Boiling Point: 2602°C
Symbol: Sb
Atomic Number: 51
Atomic Mass: 121.760
Category: Metalloid
Group: 15
Period: 5
Density: 6.685
Melting Point: 630.63°C
Boiling Point: 1587°C
Symbol: Te
Atomic Number: 52
Atomic Mass: 127.60
Category: Metalloid
Group: 16
Period: 5
Density: 6.24
Melting Point: 449.51°C
Boiling Point: 988°C
Symbol: I
Atomic Number: 53
Atomic Mass: 126.90447
Category: Halogen
Group: 17
Period: 5
Density: 4.93
Melting Point: 113.7°C
Boiling Point: 184.3°C
Symbol: Xe
Atomic Number: 54
Atomic Mass: 131.293
Category: Noble Gas
Group: 18
Period: 5
Density: 0.005887
Melting Point: -111.8°C
Boiling Point: -108.0°C
Symbol: Cs
Atomic Number: 55
Atomic Mass: 132.90545196
Category: Alkali Metal
Group: 1
Period: 6
Density: 1.93
Melting Point: 28.5°C
Boiling Point: 671°C
Symbol: Ba
Atomic Number: 56
Atomic Mass: 137.327
Category: Alkaline Earth Metal
Group: 2
Period: 6
Density: 3.51
Melting Point: 727°C
Boiling Point: 1897°C
Symbol: La
Atomic Number: 57
Atomic Mass: 138.90547
Category: Lanthanide
Group: N/A
Period: 6
Density: 6.162
Melting Point: 920°C
Boiling Point: 3464°C
Symbol: Ce
Atomic Number: 58
Atomic Mass: 140.116
Category: Lanthanide
Group: N/A
Period: 6
Density: 6.770
Melting Point: 798°C
Boiling Point: 3443°C
Symbol: Pr
Atomic Number: 59
Atomic Mass: 140.90766
Category: Lanthanide
Group: N/A
Period: 6
Density: 6.773
Melting Point: 931°C
Boiling Point: 3520°C
Symbol: Nd
Atomic Number: 60
Atomic Mass: 144.242
Category: Lanthanide
Group: N/A
Period: 6
Density: 7.007
Melting Point: 1010°C
Boiling Point: 3074°C
Symbol: Pm
Atomic Number: 61
Atomic Mass: [145]
Category: Lanthanide
Group: N/A
Period: 6
Density: 7.26
Melting Point: 1042°C
Boiling Point: 3000°C
Symbol: Sm
Atomic Number: 62
Atomic Mass: 150.36
Category: Lanthanide
Group: N/A
Period: 6
Density: 7.52
Melting Point: 1072°C
Boiling Point: 1900°C
Symbol: Eu
Atomic Number: 63
Atomic Mass: 151.964
Category: Lanthanide
Group: N/A
Period: 6
Density: 5.243
Melting Point: 822°C
Boiling Point: 1597°C
Symbol: Gd
Atomic Number: 64
Atomic Mass: 157.25
Category: Lanthanide
Group: N/A
Period: 6
Density: 7.895
Melting Point: 1313°C
Boiling Point: 3273°C
Symbol: Tb
Atomic Number: 65
Atomic Mass: 158.92535
Category: Lanthanide
Group: N/A
Period: 6
Density: 8.229
Melting Point: 1356°C
Boiling Point: 3230°C
Symbol: Dy
Atomic Number: 66
Atomic Mass: 162.500
Category: Lanthanide
Group: N/A
Period: 6
Density: 8.55
Melting Point: 1412°C
Boiling Point: 2567°C
Symbol: Ho
Atomic Number: 67
Atomic Mass: 164.93033
Category: Lanthanide
Group: N/A
Period: 6
Density: 8.795
Melting Point: 1474°C
Boiling Point: 2700°C
Symbol: Er
Atomic Number: 68
Atomic Mass: 167.259
Category: Lanthanide
Group: N/A
Period: 6
Density: 9.066
Melting Point: 1529°C
Boiling Point: 2868°C
Symbol: Tm
Atomic Number: 69
Atomic Mass: 168.93422
Category: Lanthanide
Group: N/A
Period: 6
Density: 9.321
Melting Point: 1545°C
Boiling Point: 1950°C
Symbol: Yb
Atomic Number: 70
Atomic Mass: 173.045
Category: Lanthanide
Group: N/A
Period: 6
Density: 6.965
Melting Point: 819°C
Boiling Point: 1196°C
Symbol: Lu
Atomic Number: 71
Atomic Mass: 174.9668
Category: Lanthanide
Group: N/A
Period: 6
Density: 9.841
Melting Point: 1663°C
Boiling Point: 3402°C
Symbol: Hf
Atomic Number: 72
Atomic Mass: 178.49
Category: Transition Metal
Group: 4
Period: 6
Density: 13.31
Melting Point: 2233°C
Boiling Point: 4603°C
Symbol: Ta
Atomic Number: 73
Atomic Mass: 180.94788
Category: Transition Metal
Group: 5
Period: 6
Density: 16.654
Melting Point: 3017°C
Boiling Point: 5458°C
Symbol: W
Atomic Number: 74
Atomic Mass: 183.84
Category: Transition Metal
Group: 6
Period: 6
Density: 19.25
Melting Point: 3422°C
Boiling Point: 5555°C
Symbol: Re
Atomic Number: 75
Atomic Mass: 186.207
Category: Transition Metal
Group: 7
Period: 6
Density: 21.02
Melting Point: 3186°C
Boiling Point: 5596°C
Symbol: Os
Atomic Number: 76
Atomic Mass: 190.23
Category: Transition Metal
Group: 8
Period: 6
Density: 22.59
Melting Point: 3033°C
Boiling Point: 5012°C
Symbol: Ir
Atomic Number: 77
Atomic Mass: 192.217
Category: Transition Metal
Group: 9
Period: 6
Density: 22.56
Melting Point: 2446°C
Boiling Point: 4428°C
Symbol: Pt
Atomic Number: 78
Atomic Mass: 195.084
Category: Transition Metal
Group: 10
Period: 6
Density: 21.46
Melting Point: 1768.3°C
Boiling Point: 3825°C
Symbol: Au
Atomic Number: 79
Atomic Mass: 196.966569
Category: Transition Metal
Group: 11
Period: 6
Density: 19.282
Melting Point: 1064.18°C
Boiling Point: 2970°C
Symbol: Hg
Atomic Number: 80
Atomic Mass: 200.592
Category: Transition Metal
Group: 12
Period: 6
Density: 13.5336
Melting Point: -38.83°C
Boiling Point: 356.73°C
Symbol: Tl
Atomic Number: 81
Atomic Mass: 204.38
Category: Post-transition Metal
Group: 13
Period: 6
Density: 11.85
Melting Point: 304°C
Boiling Point: 1473°C
Symbol: Pb
Atomic Number: 82
Atomic Mass: 207.2
Category: Post-transition Metal
Group: 14
Period: 6
Density: 11.34
Melting Point: 327.46°C
Boiling Point: 1749°C
Symbol: Bi
Atomic Number: 83
Atomic Mass: 208.98040
Category: Post-transition Metal
Group: 15
Period: 6
Density: 9.78
Melting Point: 271.5°C
Boiling Point: 1564°C
Symbol: Po
Atomic Number: 84
Atomic Mass: [209]
Category: Post-transition Metal
Group: 16
Period: 6
Density: 9.196
Melting Point: 254°C
Boiling Point: 962°C
Symbol: At
Atomic Number: 85
Atomic Mass: [210]
Category: Halogen
Group: 17
Period: 6
Density: N/A
Melting Point: 302°C
Boiling Point: 337°C
Symbol: Rn
Atomic Number: 86
Atomic Mass: [222]
Category: Noble Gas
Group: 18
Period: 6
Density: 0.00973
Melting Point: -71°C
Boiling Point: -61.7°C
Symbol: Fr
Atomic Number: 87
Atomic Mass: [223]
Category: Alkali Metal
Group: 1
Period: 7
Density: N/A
Melting Point: 27°C
Boiling Point: N/A
Symbol: Ra
Atomic Number: 88
Atomic Mass: [226]
Category: Alkaline Earth Metal
Group: 2
Period: 7
Density: 5.5
Melting Point: 700°C
Boiling Point: 1737°C
Symbol: Ac
Atomic Number: 89
Atomic Mass: [227]
Category: Actinide
Group: N/A
Period: 7
Density: 10.07
Melting Point: 1050°C
Boiling Point: 3200°C
Symbol: Th
Atomic Number: 90
Atomic Mass: 232.03805
Category: Actinide
Group: N/A
Period: 7
Density: 11.72
Melting Point: 1750°C
Boiling Point: 4788°C
Symbol: Pa
Atomic Number: 91
Atomic Mass: 231.03588
Category: Actinide
Group: N/A
Period: 7
Density: 15.37
Melting Point: 1568°C
Boiling Point: 4027°C
Symbol: U
Atomic Number: 92
Atomic Mass: 238.05078
Category: Actinide
Group: N/A
Period: 7
Density: 19.1
Melting Point: 1135°C
Boiling Point: 4131°C
Symbol: Np
Atomic Number: 93
Atomic Mass: [237]
Category: Actinide
Group: N/A
Period: 7
Density: 20.45
Melting Point: 640°C
Boiling Point: 3902°C
Symbol: Pu
Atomic Number: 94
Atomic Mass: [244]
Category: Actinide
Group: N/A
Period: 7
Density: 19.86
Melting Point: 639.4°C
Boiling Point: 3235°C
Symbol: Am
Atomic Number: 95
Atomic Mass: [243]
Category: Actinide
Group: N/A
Period: 7
Density: 13.69
Melting Point: 1176°C
Boiling Point: 2607°C
Symbol: Cm
Atomic Number: 96
Atomic Mass: [247]
Category: Actinide
Group: N/A
Period: 7
Density: 13.51
Melting Point: 1345°C
Boiling Point: N/A
Symbol: Bk
Atomic Number: 97
Atomic Mass: [247]
Category: Actinide
Group: N/A
Period: 7
Density: 14.78
Melting Point: 986°C
Boiling Point: N/A
Symbol: Cf
Atomic Number: 98
Atomic Mass: [251]
Category: Actinide
Group: N/A
Period: 7
Density: 15.1
Melting Point: 900°C
Boiling Point: N/A
Symbol: Es
Atomic Number: 99
Atomic Mass: [252]
Category: Actinide
Group: N/A
Period: 7
Density: 8.84
Melting Point: 860°C
Boiling Point: N/A
Symbol: Fm
Atomic Number: 100
Atomic Mass: [257]
Category: Actinide
Group: N/A
Period: 7
Density: N/A
Melting Point: 1527°C
Boiling Point: N/A
Symbol: Md
Atomic Number: 101
Atomic Mass: [258]
Category: Actinide
Group: N/A
Period: 7
Density: N/A
Melting Point: N/A
Boiling Point: N/A
Symbol: No
Atomic Number: 102
Atomic Mass: [259]
Category: Actinide
Group: N/A
Period: 7
Density: N/A
Melting Point: N/A
Boiling Point: N/A
Symbol: Lr
Atomic Number: 103
Atomic Mass: [262]
Category: Actinide
Group: N/A
Period: 7
Density: N/A
Melting Point: 1627°C
Boiling Point: N/A
Symbol: Rf
Atomic Number: 104
Atomic Mass: [267]
Category: Transition Metal
Group: 4
Period: 7
Density: N/A
Melting Point: N/A
Boiling Point: N/A
Symbol: Db
Atomic Number: 105
Atomic Mass: [270]
Category: Transition Metal
Group: 5
Period: 7
Density: N/A
Melting Point: N/A
Boiling Point: N/A
Symbol: Sg
Atomic Number: 106
Atomic Mass: [271]
Category: Transition Metal
Group: 6
Period: 7
Density: N/A
Melting Point: N/A
Boiling Point: N/A
Symbol: Bh
Atomic Number: 107
Atomic Mass: [270]
Category: Transition Metal
Group: 7
Period: 7
Density: N/A
Melting Point: N/A
Boiling Point: N/A
Symbol: Hs
Atomic Number: 108
Atomic Mass: [277]
Category: Transition Metal
Group: 8
Period: 7
Density: N/A
Melting Point: N/A
Boiling Point: N/A
Symbol: Mt
Atomic Number: 109
Atomic Mass: [276]
Category: Unknown
Group: 9
Period: 7
Density: N/A
Melting Point: N/A
Boiling Point: N/A
Symbol: Ds
Atomic Number: 110
Atomic Mass: [281]
Category: Unknown
Group: 10
Period: 7
Density: N/A
Melting Point: N/A
Boiling Point: N/A
Symbol: Rg
Atomic Number: 111
Atomic Mass: [280]
Category: Unknown
Group: 11
Period: 7
Density: N/A
Melting Point: N/A
Boiling Point: N/A
Symbol: Cn
Atomic Number: 112
Atomic Mass: [285]
Category: Unknown
Group: 12
Period: 7
Density: N/A
Melting Point: N/A
Boiling Point: N/A
Symbol: Nh
Atomic Number: 113
Atomic Mass: [286]
Category: Unknown
Group: 13
Period: 7
Density: N/A
Melting Point: N/A
Boiling Point: N/A
Symbol: Fl
Atomic Number: 114
Atomic Mass: [289]
Category: Unknown
Group: 14
Period: 7
Density: N/A
Melting Point: N/A
Boiling Point: N/A
Symbol: Mc
Atomic Number: 115
Atomic Mass: [290]
Category: Unknown
Group: 15
Period: 7
Density: N/A
Melting Point: N/A
Boiling Point: N/A
Symbol: Lv
Atomic Number: 116
Atomic Mass: [293]
Category: Unknown
Group: 16
Period: 7
Density: N/A
Melting Point: N/A
Boiling Point: N/A
Symbol: Ts
Atomic Number: 117
Atomic Mass: [294]
Category: Unknown
Group: 17
Period: 7
Density: N/A
Melting Point: N/A
Boiling Point: N/A
Symbol: Og
Atomic Number: 118
Atomic Mass: [294]
Category: Unknown
Group: 18
Period: 7
Density: N/A
Melting Point: N/A
Boiling Point: N/A