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Elements

Elements

ElementSymbolAtomic Number Atomic Weight1 Melting Point (Degrees Celsius) Boiling Point (Degrees Celsius)
actiniumAc89(227)1050.3200. ±300
aluminumAl1326.98154660.372467.
americiumAm95(243)1172.2600.
antimonySb51121.760630.741750.
argonAr1839.948 - 189.2 - 185.7
arsenicAs3374.92160817. (at 28 atmospheres)613. (sublimates)
astatineAt85(210)302. (est.)337. (est.)
      
bariumBa56137.327725.1640.
berkeliumBk97(247)1050.2590.
berylliumBe49.012181278. ±52970.
bismuthBi83208.98040271.31560. ±5
bohriumBh107(270)——
boronB5[10.806; 10.821]2300.2550. (sublimates)
bromineBr3579.904 - 7.258.78
      
cadmiumCd48112.411320.9765.
calciumCa2040.078839. ±21484.
californiumCf98(251)900.1470.
carbonC6[12.0096; 12.0116]∼3550.4827.
ceriumCe58140.116799.3426.
cesiumCs55132.9054528.40669.3
chlorineCl17[35.446; 35.457] - 100.98 - 34.6
chromiumCr2451.99611857. ±202672.
cobaltCo2758.93321495.2870.
coperniciumCn112(285)——
copperCu2963.5461083.4 ±0.22567.
curiumCm96(247)1340. ±403110.
      
darmstadtiumDs110(281)——
dubniumDb105(268)——
dysprosiumDy66162.5001412.2562.
      
einsteiniumEs99(252)857.—
erbiumEr68167.2591529.2863.
europiumEu63151.964822.1597.
      
fermiumFm100(257)1527.—
fleroviumFl114(289)——
fluorineF918.9984 - 219.62 - 188.14
franciumFr87(223)(27) (est.)(677) (est.)
      
gadoliniumGd64157.251313. ±13266.
galliumGa3169.72329.782403.
germaniumGe3272.63937.42830.
goldAu79196.966571064.432808.
      
hafniumHf72178.492227. ±204602.
hassiumHs108(277)——
heliumHe24.0026< - 272.2 - 268.934
holmiumHo67164.930321474.2425.
hydrogenH1[1.00784; 1.00811] - 259.14 - 252.87
      
indiumIn49114.818156.612080.
iodineI53126.90447113.5184.35
iridiumIr77192.2172410.4130.
ironFe2655.8451535.2750.
      
kryptonKr3683.798 - 156.6 - 152.30 ±0.10
      
lanthanumLa57138.90547921.3457.
lawrenciumLr103(262)1627.—
leadPb82207.2327.5021740.
lithiumLi3[6.938; 6.997]180.541342.
livermoriumLv116(292)——
lutetiumLu71174.96681663.3395.
      
magnesiumMg1224.3050648.8 ±0.51090.
manganeseMn2554.938051244. ±31962.
meitneriumMt109(276)——
mendeleviumMd101(258)827.—
mercuryHg80200.59 - 38.842356.58
molybdenumMo4295.962617.4612.
      
neodymiumNd60144.2421021.3068.
neonNe1020.1797 - 248.67 - 246.048
neptuniumNp93(237)640. ±13902. (est.)
nickelNi2858.69341453.2732.
niobiumNb4192.906382468. ±104742.
nitrogenN7[14.00643; 14.00728] - 209.86 - 195.8
nobeliumNo102(259)827.—
      
osmiumOs76190.233045. ±305027. ±100
oxygenO8[15.99903; 15.99977] - 218.4 - 182.962
      
palladiumPd46106.421554.2970.
phosphorusP1530.9737644.1 (white)280. (white)
platinumPt78195.0841772.3827. ±100
plutoniumPu94(244)641.3232.
poloniumPo84(209)254.962.
potassiumK1939.098363.25760.
praseodymiumPr59140.90765931.3512.
promethiumPm61(145)10423000. (est.)
protactiniumPa91231.03588<1600.4026.
      
radiumRa88(226)700.1140.
radonRn86(222) - 71. - 61.8
rheniumRe75186.2073180.5627. (est.)
rhodiumRh45102.905501966. ±33727. ±100
roentgeniumRg111(280)——
rubidiumRb3785.467838.89686.
rutheniumRu44101.072310.3900.
rutherfordiumRf104(265)——
      
samariumSm62150.361072. ±51791.
scandiumSc2144.955911541.2831.
seaborgiumSg106(271)——
seleniumSe3478.96217.684.9 ±1.0
siliconSi14[28.084; 28.086]1410.2355.
silverAg47107.8682961.932212.
sodiumNa1122.9897797.81 ±0.03882.9
strontiumSr3887.62269.1384.
sulfurS16[32.059; 32.076]112.8444.674
      
tantalumTa73180.947882996.5425. ±100
technetiumTc43(98)2200.4877.
telluriumTe52127.60449.5 ±0.3989.8 ±3.8
terbiumTb65158.925351356.3123.
thalliumTl81[204.382; 204.385]303.51457. ±10
thoriumTh90232.038061750.∼4790.
thuliumTm69168.934211545. ±151947.
tinSn50118.710231.96812270.
titaniumTi2247.8671660. ±103287.
tungstenW74183.843410. ±205660.
      
ununoctiumUuo118(294)——
ununpentiumUup115(288)——
ununseptiumUus117(294)——
ununtriumUut113(284)——
uraniumU92238.028911132.3 ±0.83818.
      
vanadiumV2350.94151890. ±103380.
      
xenonXe54131.293 - 111.9 - 107.1 ±3
      
ytterbiumYb70173.054819.1194.
yttriumY3988.905851522. ±83338.
      
zincZn3065.38419.58907.
zirconiumZr4091.2241852. ±24377.
Footer
1 Parentheses indicate most stable isotope; brackets enclose lower and upper bounds of weight variation.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.

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