L i H B e Na Mg K C a R b S r C s B a F r R a S c Y L a A c T i Z r H f R R f f V N b T a D D b b C r Mo W S S g g Mn T T c c R e B B h h F e R u Os H H s s C o R h Ir M Mt t N i P d P t D D s s C u A g A u R R g g Z n C d H g B A l Ga In T l C S i Ge S n P b N P A s S b B i O S S e T e P o F C l B r I A t H e N e A r K r X e R n C e T h P r P a N d U P P m m N N p p S m P P u u E u A A m m Gd C C m m T b B B k k D y C C f f H o E E s s E r F F m m T m M Md d Y b N N o o L u L L r r U U u u h h U U u u o o U U u u p p U U u u q q U U u u t t C C n n 6941 3 Lithium 10079 1 Hydrogen I A 1 1 2 1c 2c II A 90122 4 Beryllium 2 2299 Sodium 1 1 3 24305 Magnesium 12 39098 Potassium 19 4 40078 Calcium 20 85468 Rubidium 37 5 8762 Strontium 38 13291 Caesium 55 6 13733 Barium 56 223 Francium 87 7 226 Radium 88 3 III B 44956 Scandium 21 88906 Yttrium 39 13891 Lanthanum 57 227 Actinium 89 47867 T itanium 22 91224 Zirconium 40 17849 Hafnium 72 261 Rutherfordium 104 4 IV B 5 V B 50942 V anadium 23 92906 Niobium 41 18095 T antalum 73 262 Dubnium 105 6 V I B 51996 Chromium 24 9596 Molybdenum 42 18384 T ungsten 74 266 Seaborgium 106 7 VII B 54938 Manganese 25 T echnetium 43 98 18621 Rhenium 75 264 Bohrium 107 8 VIII B 55845 Iron 26 10107 Ruthenium 44 19023 Osmium 76 270 Hassium 108 9 58933 Cobalt 27 10291 Rhodium 45 19222 Iridium 77 268 Meitnerium 109 10 58693 Nickel 28 10642 Palladium 46 19508 Platinum 78 281 Darmstadtium 1 10 I B 1 1 63546 Copper 29 10787 Silver 47 19697 Gold 79 272 Roentgenium 1 1 1 II B 12 6538 Zinc 30 1 1241 Cadmium 48 20059 Mercury 80 III A 13 1081 1 5 Boron 28982 13 Aluminium 69723 Gallium 31 1 1482 Indium 49 20438 Thallium 81 IV A 14 1201 1 6 Carbon 3c 4c 28086 14 Silicium 7264 32 Germanium 1 1871 50 T in 2072 Lead 82 7 Nitrogen 30974 15 Phosphorous 74922 33 Arsenic 12176 51 Antimony 20898 Bismuth 83 V A 15 14007 1p 3c V I A 16 15999 Oxygen 2p 2c 8 32065 16 Sulphur 7896 34 Selenium 12760 52 T ellurium Polonium 84 209 VII A 17 18998 Fluorine 3p 1c 9 35453 17 Chlorine 79904 35 Bromine 12690 53 Iodine 85 Astatine 210 VIII A 18 40026 Helium 2 2018 10 Neon 39948 18 Argon 83798 36 Krypton 13129 54 Xenon 86 Radon 222 14012 Cerium 58 23204 Thorium 90 14091 Praseodymium 59 23104 Proactinium 91 14424 Neodymium 60 23803 Uranium 92 Promethium 61 Neptunium 93 145 237 15036 Samarium 62 Plutonium 94 244 15196 Europium 63 Americium 95 243 15725 Gadolinium 64 Curium 96 247 15893 T erbium 65 Berkelium 97 247 1625 Dysprosium 66 Californium 98 251 16493 Holmium 67 Einsteinium 99 252 16726 Erbium 68 Fermium 100 257 16893 Thulium 69 Mendelevium 101 258 17305 Ytterbium 70 Nobelium 102 259 17497 Lutetium 71 Lawrencium 103 262 Lanthanide series Actinide series 291 Ununhexium 1 16 294 Ununoctium 1 18 288 Ununpentium 1 15 289 Ununquadium 1 14 284 Ununtrium 1 13 285 Conundrum 1 12 I C P M S I N A A Fire Assay I o n C h r o m a t o g r a p h y I S E I n f r a r e d X R F C V F I M S I C P O E S T K N P r e f e r r e d A n a l y t i c a l M e t h o d I C P M S o n v e g e t a t i o n i s b a s e d o n a s h Rock V egetation W at er Substrate type The asterisk identifies a r adioactive element unstable The updated atomic masses 2007 are from the IUP A C w ebsite httpwww iupacorg Standard states 25 C 101 kPa N e gas B r liquid F e solid P P m m synthetic Per i o d i c t ab l e o f t h e e l emen t s C 1201 6 Carbon Atomic number Element symbol Atomic mass Name www actlabs com A ncaster O ntario L9G 5V4 Canada A c t l a b s G r o u p o f C o m p a n i e s P hone 19056489611 Fax 19056489613 email ancasteractlabscom P AGE 38