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37 ||= Sr 38 ||= Y 39 ||= Zr 40 ||= Nb 41 ||= Mo 42 ||= Tc 43 ||= Ru 44 ||= Rh 45 ||= Pd 46 ||= Ag 47 ||= Cd 48 ||= In 49 ||= Sn 50 ||= Sb 51 ||= Te 52 ||= I 53 ||= Xe 54 || 55 ||= Ba 56 ||= La 57 ||= Hf 58 ||= Ta 59 ||= W 60 ||= Rh 61 ||= Os 76 ||= Ir 77 ||= Pt 78 ||= Au 79 ||= Hg 80 ||= Tl 81 ||= Pb 82 ||= Bi 83 ||= Po 84 ||= At 85 ||= Rn 86 || 87 ||= Ra 88 ||= Ac 89 ||= Rf 104 ||= Db 105 ||= Sg 106 ||= Bh 107 ||= Ha 108 ||= Mt 109 ||= Ds 110 ||= Rg 111 ||= Uub 112 ||= Uut 113 ||= Uuq 114 ||=  ||=   ||=   ||=   ||
 * = 1 ||= 2 ||= 3 ||= 4 ||= 5 ||= 6 ||= 7 ||= 8 ||= 9 ||= 10 ||= 11 ||= 12 ||= 13 ||= 14 ||= 15 ||= 16 ||= 17 ||= 18 ||
 * = Alkali Metals ||= Alkaline Earth Metals ||||||||||||||||||||= Transition Metals ||= Boron Group ||= Carbon Group ||= Nitrogen Group ||= Oxygen Group ||= Halogens ||= Noble Gases ||
 * = [[image:Hydrogen.png width="50" height="75" link="Hydrogen"]] ||=  ||=   ||=   ||=   ||=   ||=   ||=   ||=   ||=   ||=   ||=   ||=   ||=   ||=   ||=   ||=   ||= [[image:Helium.png width="50" height="75" link="Helium"]] ||
 * = [[image:Lithium.png width="50" height="75" link="Lithium"]] ||= [[image:Beryllium.png width="50" height="75" link="Beryllium"]] ||=  ||=   ||=   ||=   ||=   ||=   ||=   ||=   ||=   ||=   ||= [[image:Boron.png width="50" height="75" link="Boron"]] ||= [[image:Carbon.png width="50" height="75" link="Carbon"]] ||= [[image:Nitrogen.png width="50" height="75" link="Nitrogen"]] ||= [[image:Oxygen.png width="50" height="75" link="Oxygen"]] ||= [[image:Fluorine.png width="50" height="75" link="Fluorine"]] ||= [[image:Neon.png width="50" height="75" link="Neon"]] ||
 * = [[image:Sodium.png width="50" height="75" link="Sodium"]] ||= [[image:Magnesium.png width="50" height="75" link="Magnesium"]] ||=  ||=   ||=   ||=   ||=   ||=   ||=   ||=   ||=   ||=   ||= [[image:Aluminum.png width="50" height="75" link="Aluminium"]] ||= [[image:Silicon.png width="50" height="75" link="Silicon"]] ||= [[image:Phosphorus.png width="50" height="75" link="Phosphorus"]] ||= [[image:Sulfur.png width="50" height="75" link="Sulfur"]] ||= [[image:Chlorine.png width="50" height="75" link="Chlorine"]] ||= [[image:Argon.png width="50" height="75" link="Argon"]] ||
 * = [[image:Potassium.png width="50" height="75" link="Potassium"]] ||= [[image:Calcium.png width="50" height="75" link="Calcium"]] ||= [[image:Scandium.png width="50" height="75" link="Scandium"]] ||= [[image:Titanium.png width="50" height="75" link="Titanium"]] ||= [[image:Vanadium.png width="50" height="75" link="Vanadium"]] ||= [[image:Chromium.png width="50" height="75" link="Chromium"]] ||= [[image:Manganese.png width="50" link="Manganese"]] ||= [[image:Iron.png width="50" height="75" link="Iron"]] ||= [[image:Cobalt.png width="50" height="75" link="Cobalt"]] ||= [[image:Nickel.png width="50" height="75" link="Nickel"]] ||= [[image:Copper.png width="50" height="75" link="Copper"]] ||= [[image:Zinc.png width="50" height="75" link="Zinc"]] ||= [[image:Gallium.png width="50" height="75" link="Gallium"]] ||= [[image:Germanium.png width="50" height="75" link="Germanium"]] ||= [[image:Arsenic.png width="50" height="75" link="Arsenic"]] ||= [[image:Selenium.png width="50" height="75" link="Selenium"]] ||= [[image:Bromine.png width="50" height="75" link="Bromine"]] ||= [[image:Krypton.png width="50" height="75" link="Krypton"]] ||
 * = Rb
 * = Cs
 * = Fr

**Lanthanides & Actinides[[image:PTKey.001.png width="394" height="297" align="right"]]**
58 ||= Pr 59 ||= Nd 60 ||= Pm 61 ||= Sm 62 ||= Eu 63 ||= Gd 64 ||= Tb 65 ||= Dy 66 ||= Ho 67 ||= Er 68 ||= Tm 69 ||= Yb 70 ||= Lu 71 || 90 ||= Pa 91 ||= U 92 ||= Np 93 ||= Pu 94 ||= Am 95 ||= Cm 96 ||= Bk 97 ||= Cf 98 ||= Es 99 ||= Fm 100 ||= Md 101 ||= No 102 ||= Lr 103 ||
 * = Lanthanides ||= Ce
 * = Actinides ||= Th