Valences of the Elements Chemistry Table

Nummer Element Valence 1 hydrogen (-1), +1 2 helium 0 3 litium +1 4 beryllium +2 5 Boron -3, +3 6 Karbon (+2), +4 7 nitrogen -3, -2, -1, (+1), +2, +3, +4, +5 8 Oksygen -2 9 fluor -1, (+1) 10 Neon 0 11 natrium +1 12 magnesium +2 13 Aluminium +3 14 Silicon -4, (+2), +4 15 fosfor -3, +1, +3, +5 16 Svovel -2, +2, +4, +6 17 klor -1, +1, (+2), +3, (+4), +5, +7 18 argon 0 19 kalium +1 20 Kalsium +2 21 scandium +3 22 Titanium +2, +3, +4 23 vanadium +2, +3, +4, +5 24 krom +2, +3, +6 25 mangan +2, (+3), +4, (+6), +7 26 Jern +2, +3, (+4), (+6) 27 Cobalt +2, +3, (+4) 28 nikkel (+1), +2, (+3), (+4) 29 Kobber +1, +2, (+3) 30 Sink +2 31 gallium (+2). +3 32 germanium -4, +2, +4 33 Arsenikk -3, (+2), +3, +5 34 selen -2, (+2), +4, +6 35 brom -1, +1, (+3), (+4), +5 36 Krypton 0 37 rubidium +1 38 strontium +2 39 yttrium +3 40 zirkonium (+2), (+3), +4 41 niob (+2), +3, (+4), +5 42 molybden (+2), +3, (+4), (+5), +6 43 technetium +6 44 ruthenium (+2), +3, +4, (+6), (+7), +8 45 rhodium (+2), (+3), +4, (+6) 46 palladium +2, +4, (+6) 47 Sølv +1, (+2), (+3) 48 kadmium (+1), +2 49 indium (+1), (+2), +3 50 Tinn +2, +4 51 antimon -3, +3, (+4), +5 52 tellur -2, (+2), +4, +6 53 Jod -1, +1, (+3), (+4), +5, +7 54 Xenon 0 55 cesium +1 56 barium +2 57 lantan +3 58 cerium +3, +4 59 praseodymium +3 60 neodym +3, +4 61 promethium +3 62 samarium (+2), +3 63 europium (+2), +3 64 gadolinium +3 65 terbium +3, +4 66 dysprosium +3 67 holmium +3 68 erbium +3 69 thulium (+2), +3 70 ytterbium (+2), +3 71 lutetium +3 72 hafnium +4 73 tantal (+3), (+4), +5 74 wolfram (+2), (+3), (+4), (+5), +6 75 rhenium (-1), (+1), +2, (+3), +4, (+5), +6, +7 76 osmium (+2), +3, +4, +6, +8 77 Iridium (+1), (+2), +3, +4, +6 78 platina (+1), +2, (+3), +4, +6 79 Gull +1, (+2), +3 80 Mercury +1, +2 81 thallium +1, (+2), +3 82 Lede +2, +4 83 Bismuth (-3), (+2), +3, (+4), (+5) 84 polonium (-2), +2, +4, (+6) 85 Astat ? 86 radon 0 87 francium ? 88 radium +2 89 actinium +3 90 thorium +4 91 protactinium +5 92 uran (+2), +3, +4, (+5), +6