ocr: Periodic Table of elements L X File Tools Options Help H He 3 4 - 10 2 Li Be B C N 0 F Ne 11 12 13 14 15 16 17 18 3 Na Mg Al Si P S Cl Ar 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 K Ca Sc Ti U Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 5 Rb Sr Y Zr Nb Mo Tc Ru Rh Pa Ag Cd In Sn Sb Te I Xe 55 56 57 72 73 74 ?5 76 77 78 79 80 81 82 83 84 85 86 6 Cs Ba La Hf Ta W Re Os Ir Pt Au Hg T1 Pb Bi Po At Rn 87 88 89 104 105 106 107 108 109 110 111 112 7 Fr Ra Ac Rf Db Sg Bh Hs Mt Uun Uuu Uub Lanthanides Metal 58 59 60 61 62 63 64 65 66 67 68 69 ...
