Periodic Table Of The Elements

Atomic Number..........1
Atomic Weight............1.00794 g/mol
Melting Point...............14 K
Boiling Point................20 K
Atomic Radius.............0.037 nm
Density........................0.07 g/cm3

Helium

Atomic Number..........2
Atomic Weight............4.0026 g/mol
Melting Point...............1 K
Boiling Point................4 K
Atomic Radius.............0.05 nm
Density........................0.15 g/cm3

Lithium (1817)

Atomic Number..........3
Atomic Weight............6.941 g/mol
Melting Point...............459 K
Boiling Point................1600 K
Atomic Radius.............0.152 nm
Density........................0.534 g/cm3

Beryllium (1798)

Atomic Number..........4
Atomic Weight............9.0122 g/mol
Melting Point...............1551 K
Boiling Point................3243 K
Atomic Radius.............0.125 nm
Density........................1.85 g/cm3

Boron (1808)

Atomic Number..........5
Atomic Weight............10.811 g/mol
Melting Point...............2573 K
Boiling Point................2823 K
Atomic Radius.............0.09 nm
Density........................2.34 g/cm3

Carbon (Antiquity)

Atomic Number..........6
Atomic Weight............12.011 g/mol
Melting Point...............3823 K
Boiling Point................Sublimes
Atomic Radius.............0.077 nm
Density........................2.266 g/cm3

Nitrogen (1772)

Atomic Number..........7
Atomic Weight............14.0067 g/mol
Melting Point...............63 K
Boiling Point................77 K
Atomic Radius.............0.070 nm
Density........................1.25 g/L

Oxygen (1774)

Atomic Number..........8
Atomic Weight............15.9994 g/mol
Melting Point...............55 K
Boiling Point................90 K
Atomic Radius.............0.073 nm
Density........................1.43 g/L

Fluorine (1886)

Atomic Number..........9
Atomic Weight............18.9984 g/mol
Melting Point...............53 K
Boiling Point................85 K
Atomic Radius.............0.072 nm
Density........................1.7 g/L

Neon

Atomic Number..........10
Atomic Weight............20.1797 g/mol
Melting Point...............25 K
Boiling Point................27 K
Atomic Radius.............0.065 nm
Density........................1.2 g/cm3 @ 27 K

Sodium (1807)

Atomic Number..........11
Atomic Weight............22.9898 g/mol
Melting Point...............371 K
Boiling Point................1162 K
Atomic Radius.............0.186 nm
Density........................0.971 g/cm3

Magnesium (1831)

Atomic Number..........12
Atomic Weight............24.3050 g/mol
Melting Point...............922 K
Boiling Point................1380 K
Atomic Radius.............0.16 nm
Density........................1.74 g/cm3

Aluminum (1827)

Atomic Number..........13
Atomic Weight............26.9815 g/mol
Melting Point...............933 K
Boiling Point................2740 K
Atomic Radius.............0.143 nm
Density........................2.70 g/cm3

Silicon (1824)

Atomic Number..........14
Atomic Weight............28.086 g/mol
Melting Point...............1683 K
Boiling Point................3553 K
Atomic Radius.............0.1176 nm
Density........................2.336 g/cm3

Phosphorus (1669)

Atomic Number..........15
Atomic Weight............30.974 g/mol
Melting Point...............317 K
Boiling Point................553 K
Atomic Radius.............0.11 nm
Density........................1.83 g/cm3

Sulfur (Antiquity)

Atomic Number..........16
Atomic Weight............32.066 g/mol
Melting Point...............386 K
Boiling Point................718 K
Atomic Radius.............0.103 nm
Density........................2.07 g/cm3

Chlorine (1774)

Atomic Number..........17
Atomic Weight............35.453 g/mol
Melting Point...............173 K
Boiling Point................240 K
Atomic Radius.............0.100 nm
Density........................3.21 g/L

Argon

Atomic Number..........18
Atomic Weight............39.948 g/mol
Melting Point...............84 K
Boiling Point................87 K
Atomic Radius.............0.095 nm
Density........................1.40 g/cm3

Potassium (1807)

Atomic Number..........19
Atomic Weight............39.0983 g/mol
Melting Point...............337 K
Boiling Point................1047 K
Atomic Radius.............0.227 nm
Density........................0.862 g/cm3

Calcium (1808)

Atomic Number..........20
Atomic Weight............40.078 g/mol
Melting Point...............1118 K
Boiling Point................1693 K
Atomic Radius.............0.197 nm
Density........................1.55 g/cm3

Scandium

Atomic Number..........21
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Titanium

Atomic Number..........22
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Vanadium

Atomic Number..........23
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Atomic Number..........24
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Manganese

Atomic Number..........25
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Iron

Atomic Number..........26
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Cobalt

Atomic Number..........27
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Nickel

Atomic Number..........28
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Copper

Atomic Number..........29
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Zinc

Atomic Number..........30
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Gallium (1875)

Atomic Number..........31
Atomic Weight............69.72 g/mol
Melting Point...............303 K
Boiling Point................2676 K
Atomic Radius.......…..0.135 nm
Density........................5.91 g/cm3

Germanium (1886)

Atomic Number..........32
Atomic Weight............72.61 g/mol
Melting Point...............1210 K
Boiling Point................3123 K
Atomic Radius.............0.1223 nm
Density........................5.32 g/cm3

Arsenic (1250)

Atomic Number..........33
Atomic Weight............74.922 g/mol
Melting Point...............1087 K
Boiling Point................Sublimes
Atomic Radius.............0.120 nm
Density........................5.73 g/cm3

Selenium (1817)

Atomic Number..........34
Atomic Weight............78.96 g/mol
Melting Point...............490 K
Boiling Point................958 K
Atomic Radius.............0.119 nm
Density........................4.285 g/cm3

Bromine (1826)

Atomic Number..........35
Atomic Weight............79.904 g/mol
Melting Point...............267 K
Boiling Point................332 K
Atomic Radius.............0.114 nm
Density........................3.12 g/cm3

Krypton

Atomic Number..........36
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Rubidium (1861)

Atomic Number..........37
Atomic Weight............85.4678 g/mol
Melting Point...............312 K
Boiling Point................961 K
Atomic Radius.............0.248 nm
Density........................1.53 g/cm3

Strontium (1808)

Atomic Number..........38
Atomic Weight............87.62 g/mol
Melting Point...............1043 K
Boiling Point................1653 K
Atomic Radius.............0.215 nm
Density........................2.60 g/cm3

Yttrium

Atomic Number..........39
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Zirconium

Atomic Number..........40
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Niobium

Atomic Number..........41
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Molybdenum

Atomic Number..........42
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Technetium

Atomic Number..........43
Atomic Weight............99 g/mol
Melting Point...............> 4000 K
Boiling Point................2200 K
Atomic Radius............. nm
Density........................11.5 g/cm3

Ruthenium

Atomic Number..........44
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Rhodium

Atomic Number..........45
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Palladium

Atomic Number..........46
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Silver

Atomic Number..........47
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Cadmium

Atomic Number..........48
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Indium (1863)

Atomic Number..........49
Atomic Weight............114.82 g/mol
Melting Point...............430 K
Boiling Point................2353 K
Atomic Radius.............0.167 nm
Density........................7.31 g/cm3

Tin (Antiquity)

Atomic Number..........50
Atomic Weight............118.71 g/mol
Melting Point...............505 K
Boiling Point................2896 K
Atomic Radius.............0.1405 nm
Density........................7.30 g/cm3

Antimony (Antiquity)

Atomic Number..........51.
Atomic Weight............121.75 g/mol
Melting Point...............904 K
Boiling Point................1587 K
Atomic Radius.............0.14 nm
Density........................6.69 g/cm3

Tellurium (1782)

Atomic Number..........52
Atomic Weight............127.60 g/mol
Melting Point...............723 K
Boiling Point................1263 K
Atomic Radius.............0.142 nm
Density........................6.25 g/cm3

Iodine (1811)

Atomic Number..........53
Atomic Weight............126.905 g/mol
Melting Point...............387 K
Boiling Point................458 K
Atomic Radius.............0.133 nm
Density........................4.94 g/cm3

Xenon

Atomic Number..........54
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Cesium (1860)

Atomic Number..........55
Atomic Weight............132.9054 g/mol
Melting Point...............302 K
Boiling Point................963 K
Atomic Radius.............0.265 nm
Density........................1.87 g/cm3

Atomic Number..........56
Atomic Weight............137.327 g/mol
Melting Point...............998 K
Boiling Point................1913 K
Atomic Radius.............0.222 nm
Density........................3.51 g/cm3

Lanthanum

Atomic Number..........57
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Hafnium

Atomic Number..........72
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Tantalum

Atomic Number..........73
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Tungsten

Atomic Number..........74
Atomic Weight............183.85 g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................19.3 g/cm3

Rhenium

Atomic Number..........75
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Osmium

Atomic Number.........76.
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Irridium

Atomic Number..........77
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Platinum

Atomic Number..........78
Atomic Weight............195.08 g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................21.41 g/cm3

Gold

Atomic Number..........79
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Mercury

Atomic Number..........80
Atomic Weight............200.59 g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................13.534 g/cm3

Thallium (1861)

Atomic Number..........81
Atomic Weight............204.38 g/mol
Melting Point...............577 K
Boiling Point................1730 K
Atomic Radius.............0.170 nm
Density........................11.85 g/cm3

Lead (Antiquity)

Atomic Number..........82
Atomic Weight............207.2 g/mol
Melting Point...............601 K
Boiling Point................2023 K
Atomic Radius.............0.146 nm
Density........................11.34 g/cm3

Bismuth (1753)

Atomic Number..........83
Atomic Weight............208.98 g/mol
Melting Point...............544 K
Boiling Point................1833 K
Atomic Radius.............0.150 nm
Density........................9.81 g/cm3

Polonium (1898)

Atomic Number..........84
Atomic Weight............209 g/mol
Melting Point...............527 K
Boiling Point................1235 K
Atomic Radius.............0.168 nm
Density........................9.14 g/cm3

Astatine (1940)

Atomic Number..........85
Atomic Weight............210 g/mol
Melting Point...............-- K
Boiling Point................-- K
Atomic Radius.............-- nm
Density........................-- g/cm3

Radon

Atomic Number..........86
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Francium (1939)

Atomic Number..........87
Atomic Weight............223 g/mol
Melting Point...............300 K
Boiling Point................950 K
Atomic Radius.............-- nm
Density........................-- g/cm3

Radium (1911)

Atomic Number..........88
Atomic Weight............226.03 g/mol
Melting Point...............973 K
Boiling Point................1413 K
Atomic Radius.............-- nm
Density........................5 g/cm3

Actinium

Atomic Number..........89
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Unnilquadium

Atomic Number..........104
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Unnilpentium

Atomic Number..........105
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Unnilhexium

Atomic Number..........106
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Unnilseptium

Atomic Number..........107
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Unniloctium

Atomic Number..........108
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Unnilennium

Atomic Number..........109
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Lanthanide Series

Cerium

Atomic Number..........58
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm

Density........................ g/cm3

Praseodymium

Atomic Number..........59
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Neodymium

Atomic Number..........60
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Promethium

Atomic Number..........61
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Atomic Number..........62
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Europium

Atomic Number..........63
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Gadolinium

Atomic Number..........64
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Terbium

Atomic Number..........65
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Dysprosium

Atomic Number..........66
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Holmium

Atomic Number..........67
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Erbium

Atomic Number..........68
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Thulium

Atomic Number..........69
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Ytterbium

Atomic Number..........70
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Lutetium

Atomic Number..........71
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Actinide Series

Thorium

Atomic Number..........90
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Protactinium

Atomic Number..........91
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Uranium

Atomic Number..........92
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Neptunium

Atomic Number..........93
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Plutonium

Atomic Number..........94
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Americium

Atomic Number..........95
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Curium

Atomic Number..........96
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Berkelium

Atomic Number..........97
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Californium

Atomic Number..........98
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Einsteinium

Atomic Number..........99
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Fermium

Atomic Number..........100
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Mendelevium

Atomic Number..........101
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Nobelium

Atomic Number..........102
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3

Lawrencium

Atomic Number..........103
Atomic Weight............ g/mol
Melting Point............... K
Boiling Point................ K
Atomic Radius............. nm
Density........................ g/cm3