Period

Group ?1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Period? IAIIAIIIAIVAVAVIAVIIAeighter from DecaturVIIIVIIIIBIIBIIIBIVBVBVIBVIIB0 IAIIAIIIBIVBVBVIBVIIBVIIIBVIIIBVIIIBIBIIBIIIAIVAVAVIAVIIAVIIIA 1 Hydrogen 1 H 1.00794(7)Name of element Atomic number Chemical symbol congener nuclear mass Helium 2 He 4.002602(2) 2 Lithium 3 Li 6.941(2)Beryllium 4 Be 9.012182(3)Boron 5 B 10.811(7)Carbon 6 C 12.0107(8)Nitrogen 7 N 14.0067(2)Oxygen 8 O 15.9994(3)Fluorine 9 F 18.9984032(5)Neon 10 Ne 20.1797(6) 3 Sodium 11 Na 22.98976928(2)Magnesium 12 Mg 24.3050(6)Aluminium 13 Al 26.9815386(8)Silicon 14 Si 28.0855(3)Phosphorus 15 P 30.973762(2)Sulfur 16 S 32.065(5)Chlorine 17 Cl 35.453(2)Argon 18 Ar 39.948(1) 4 Potassium 19 K 39.0983(1)Calcium 20 Ca 40.078(4)Scandium 21 Sc 44.955912(6)Titanium 22 Ti 47.867(1)Vanadium 23 V 50.9415(1)Chromium 24 Cr 51.9961(6)Manganese 25 Mn 54.938045(5)Iron 26 Fe 55.845(2)Cobalt 27 Co 58.933195(5)Nickel 28 Ni 58.6934(4)Copper 29 Cu 63.546(3)Zinc 30 Zn 65.38(2)Gallium 31 Ga 69.723(1)Germanium 32 Ge 72.63(1)Arsenic 33 As 74.92160(2)Selenium 34 Se 78.96(3)Bromine 35 Br 79.904(1)Krypton 36 Kr 83.

798(2) 5 Rubidium 37 Rb 85.4678(3)Strontium 38 Sr 87.62(1)Yttrium 39 Y 88.90585(2)Zirconium 40 Zr 91.224(2)Niobium 41 Nb 92.90638(2)Molybdenum 42 Mo 95.96(2)Technetium 43 Tc [98]Ruthenium 44 Ru 101.07(2)Rhodium 45 Rh 102.90550(2)Palladium 46 Pd 106.42(1)Silver 47 Ag 107.8682(2)Cadmium 48 Cd 112.411(8)Indium 49 In 114.818(3)Tin 50 Sn 118.71 0(7)Antimony 51 Sb 121.760(1)Tellurium 5! 2 Te 127.60(3)Iodine 53 I 126.90447(3)Xenon 54 Xe 131.293(6) 6 Caesium 55 Cs 132.9054519(2)Barium 56 Ba 137.327(7)Lanthanides 57-71 * -Hafnium 72 Hf 178.49(2)Tantalum 73 Ta 180.94788(2)Tungsten 74 W...If you want to get a mount essay, send it on our website: BestEssayCheap.com

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