Chemical elements

Chemical elements

▪ Table
Chemical elements*
element symbol atomic number atomic
weight
actinium Ac 89 (227)
aluminum (aluminium) Al 13 26.982
americium Am 95 (243)
antimony Sb 51 121.760
argon Ar 18 39.948
arsenic As 33 74.922
astatine At 85 (210)
barium Ba 56 137.327
berkelium Bk 97 (247)
beryllium Be 4 9.012
bismuth Bi 83 208.980
bohrium Bh 107 264
boron B 5 10.811
bromine Br 35 79.904
cadmium Cd 48 112.411
calcium Ca 20 40.078
californium Cf 98 (251)
carbon C 6 12.011
cerium Ce 58 140.116
cesium (caesium) Cs 55 132.905
chlorine Cl 17 35.453
chromium Cr 24 51.996
cobalt Co 27 58.933
copper Cu 29 63.546
curium Cm 96 (247)
darmstadtium Ds 110 (281)
dubnium Db 105 (262)
dysprosium Dy 66 162.50
einsteinium Es 99 (252)
erbium Er 68 167.26
europium Eu 63 151.964
fermium Fm 100 (257)
fluorine F 9 18.998
francium Fr 87 (223)
gadolinium Gd 64 157.25
gallium Ga 31 69.723
germanium Ge 32 72.61
gold Au 79 196.967
hafnium Hf 72 178.49
hassium Hs 108 (269)
helium He 2 4.003
holmium Ho 67 164.930
hydrogen H 1 1.008
indium In 49 114.818
iodine I 53 126.904
iridium Ir 77 192.217
iron Fe 26 55.845
krypton Kr 36 83.80
lanthanum La 57 138.906
lawrencium Lr 103 (262)
lead Pb 82 207.2
lithium Li 3 6.941
lutetium Lu 71 174.967
magnesium Mg 12 24.305
manganese Mn 25 54.938
meitnerium Mt 109 (268)
mendelevium Md 101 (258)
mercury Hg 80 200.59
molybdenum Mo 42 95.94
neodymium Nd 60 144.24
neon Ne 10 20.18
neptunium Np 93 (237)
nickel Ni 28 58.693
niobium Nb 41 92.906
nitrogen N 7 14.007
nobelium No 102 (259)
osmium Os 76 190.23
oxygen O 8 15.999
palladium Pd 46 106.42
phosphorus P 15 30.974
platinum Pt 78 195.078
plutonium Pu 94 (244)
polonium Po 84 (209)
potassium K 19 39.098
praseodymium Pr 59 140.908
promethium Pm 61 (145)
protactinium Pa 91 231.036
radium Ra 88 (226)
radon Rn 86 (222)
rhenium Re 75 186.207
rhodium Rh 45 102.906
roentgenium Rg 111 (272)
rubidium Rb 37 85.468
ruthenium Ru 44 101.07
rutherfordium Rf 104 (261)
samarium Sm 62 150.36
scandium Sc 21 44.956
seaborgium Sg 106 (266)
selenium Se 34 78.96
silicon Si 14 28.086
silver Ag 47 107.868
sodium Na 11 22.990
strontium Sr 38 87.62
sulfur (sulphur) S 16 32.066
tantalum Ta 73 180.948
technetium Tc 43 (98)
tellurium Te 52 127.60
terbium Tb 65 158.925
thallium Tl 81 204.383
thorium Th 90 232.038
thulium Tm 69 168.934
tin Sn 50 118.710
titanium Ti 22 47.867
tungsten (wolfram) W 74 183.84
ununbium Uub 112 (285)
ununhexium Uuh 116 (292)
ununoctium Uuo 118 (294)
ununpentium Uup 115 (288)
ununquadium Uuq 114 (289)
ununtrium Uut 113 (284)
uranium U 92 238.029
vanadium V 23 50.942
xenon Xe 54 131.29
ytterbium Yb 70 173.04
yttrium Y 39 88.906
zinc Zn 30 65.39
zirconium Zr 40 91.224
*Atomic weights are given to the nearest thousandth. Atomic weights of elements with no stable isotope are given as mass numbers, in parentheses, of the most stable isotope.
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Universalium. 2010.

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