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Periodic Table
Chemistry Periodic Table of Elements
Name | Symbol | Atomic Number | Atomic 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] |