Periodic by Farrah - 0 0 hydrogen 1s 1 n=1 2s 3 1.00794(7...

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2p 3p 4p 5p 6p 5f 4f 5f 4f 1s 1s 2s 3s 4s 5s 6s 7s 3d 4d 5d 6d 2 2 2 2 2 2 2 hydrogen helium 1 2 H He 1.00794(7) Key: 4.002602(2) lithium beryllium element name boron carbon nitrogen oxygen fluorine neon 3 4 atomic number 5 6 7 8 9 10 Li Be symbol B C N O F Ne 6.941(2) 9.012182(3) 2001 atomic weight (mean relative mass) 10.811(7) 12.0107(8) 14.00674(7) 15.9994(3) 18.9984032(5) 20.1797(6) sodium magnesium aluminium silicon phosphorus sulfur chlorine argon 11 12 13 14 15 16 17 18 Na Mg Al Si P S Cl Ar 22.989770(2) 24.3050(6) 26.981538(2) 28.0855(3) 30.973761(2) 32.065(5) 35.453(2) 39.948(1) potassium calcium scandium titanium vanadium chromium manganese iron cobalt nickel copper zinc gallium germanium arsenic selenium bromine krypton 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr 39.0983(1) 40.078(4) 44.955910(8) 47.867(1) 50.9415(1) 51.9961(6) 54.938049(9) 55.845(2) 58.933200(9) 58.6934(2) 63.546(3) 65.409(4) 69.723(1) 72.64(1) 74.92160(2) 78.96(3) 79.904(1) 83.798(2) rubidium strontium yttrium zirconium niobium molybdenum technetium ruthenium rhodium palladium silver cadmium indium tin antimony tellurium iodine xenon 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe 85.4678(3)
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