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Periodic Table

Chemistry Periodic Table of Elements

NameSymbolAtomic NumberAtomic Weight
hydrogen H 1 1.00794(7)
helium He 2 4.002602(2)
lithium Li 3 [6.941(2)]
beryllium Be 4 9.012182(3)
boron B 5 10.811(7)
carbon C 6 12.0107(8)
nitrogen N 7 14.0067(2)
oxygen O 8 15.9994(3)
fluorine F 9 18.9984032(5)
neon Ne 10 20.1797(6)
sodium Na 11 22.989770(2)
magnesium Mg 12 24.3050(6)
aluminium Al 13 26.981538(2)
silicon Si 14 28.0855(3)
phosophorus P 15 30.973761(2)
sulphur S 16 32.065(5)
chlorine Cl 17 35.453(2)
argon Ar 18 39.948(1)
potassium K 19 39.0983(1)
calcium Ca 20 40.078(4)
scandium Sc 21 44.955910(8)
titanium Ti 22 47.867(1)
vanadium V 23 50.9415(1)
chromium Cr 24 51.9961(6)
manganese Mn 25 54.938049(9)
iron Fe 26 55.845 (2)
cobalt Co 27 58.933200 (9)
nickel Ni 28 58.6934 (2)
copper Cu 29 63.546 (3) r
zinc Zn 30 65.409 (4) g
gallium Ga 31 69.723 (1)
germanium Ge 32 72.64 (1)
arsenic As 33 74.92160 (2)
selenium Se 34 78.96 (3)
bromine Br 35 79.904 (1)
krypton Kr 36 83.798 (2) g m
rubidium Rb 37 85.4678 (3) g
strontium Sr 38 87.62 (1) g r
yttrium Y 39 88.90585 (2)
zirconium Zr 40 91.224 (2)
niobium Nb 41 92.90638 (2)
molybdenum Mo 42 95.94 (2) g
technetium Tc 43 [ 98 ]
ruthenium Ru 44 101.07 (2) g
rhodium Rh 45 102.90550 (2)
palladium Pd 46 106.42 (1) g
silver Ag 47 107.8682 (2) g
cadmium Cd 48 112.411 (8) g
indium In 49 114.818 (3)
tin Sn 50 118.710 (7) g
antimony Sb 51 121.760 (1) g
tellurium Te 52 127.60 (3) g
iodine I 53 126.90447 (3)
xenon Xe 54 131.293 (6) g
caesium Cs 55 132.90545 (2)
barium Ba 56 137.327 (7)
lutetium Lu 71 174.967 (1) g
hafnium Hf 72 178.49 (2)
tantalum Ta 73 180.9479 (1)
tungsten W 74 183.84 (1)
rhenium Re 75 186.207 (1)
osmium Os 76 190.23 (3) g
iridium Ir 77 192.217 (3)
platinum Pt 78 195.078 (2)
gold Au 79 196.96655 (2)
mercury Hg 80 200.59 (2)
thallium Tl 81 204.3833 (2)
lead Pb 82 207.2 (1) g m
bismuth Bi 83 208.98038 (2)
polonium Po 84 [ 209 ]
astatine At 85 [ 210 ]
radon Rn 86 [ 222 ]
francium Fr 87 [ 223 ]
radium Ra 88 [ 226 ]
lawrencium Lr 103 [ 262 ]
rutherfordium Rf 104 [ 261 ]
dubnium Db 105 [ 262 ]
seaborgium Sg 106 [ 266 ]
bohrium Bh 107 [ 264 ]
hassium Hs 108 [ 269 ]
meitnerium Mt 109 [ 268 ]
ununnilium Uun 110 [ 271 ]
unununium Uuu 111 [ 272 ]
ununbium UUb 112 [ 285 ]
(blank) UUt 113 (blank)
ununquadium UUq 114 [ 289 ]
(blank) UUp 115 (blank)
ununhexium Uuh 116 [ ? ]
(blank) Uus 117 (blank)
ununoctium Uuo 118 [ ? ]
lanthanum La 57 138.9055 (2) g
cerium Ce 58 140.116 (1) g
praseodymium Pr 59 140.90765 (2)
neodymium Nd 60 144.24 (3) g
promethium Pm 61 [ 145 ]
samarium Sm 62 150.36 (3) g
europium Eu 63 151.964 (1) g
gadolinium Gd 64 157.25 (3)
terbium Tb 65 158.92534 (2)
dysprosium Dy 66 162.500 (1) g
holmium Ho 67 164.93032 (2)
erbium Er 68 167.259 (3) g
thulium Tm 69 168.93421 (2)
ytterbium Yb 70 173.04 (3) g
actinium Ac 89 [227]
thorium Th 90 232.04
protactinium Pa 91 231.04
uranium U 92 238.03
neptunium Np 93 [237]
plutonium Pu 94 [244]
americium Am 95 [243]
curium Cm 96 [247]
berkelium Bk 97 [247]
californium Cf 98 [251]
einsteinium Es 99 [254]
fermium Fm 100 257
meldelevium Md 101 [258]
nobelium No 102 [259]
Created by: Corey Weidner Corey Weidner on 2002-03-23



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