periodic table 0.0 / 5 ? Chemistryperiodic tableOtherOther Created by: max hardwickCreated on: 16-09-13 06:52 1 hydrogen 1 of 20 2 helium 2 of 20 3 lithium 3 of 20 4 beryllium 4 of 20 5 boron 5 of 20 6 carbon 6 of 20 7 nitrogen 7 of 20 8 oxygen 8 of 20 9 fluorine 9 of 20 10 neon 10 of 20 11 sodium 11 of 20 12 magnesium 12 of 20 13 aluminum 13 of 20 14 silicon 14 of 20 15 phosphorus 15 of 20 16 sulfur 16 of 20 17 chlorine 17 of 20 18 argon 18 of 20 19 potassium 19 of 20 20 calcium 20 of 20
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