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Periodic Table Electroneg - ScienceGeek.net
www.sciencegeek.netThe Periodic Table of the Elements (with Electronegativities) 1 18 Hydrogen 1 H 1.01 2.1 2 Alkali metals Alkaline earth metals Transition metals
Common Ions and Their Charges - ScienceGeek.net
www.sciencegeek.netFe3+ Fe2+ iron (III) iron (II) atomic 26 number ion charge ion name symbol (IUPAC) KEY 58 59 60 61 62 63 64 65 66 67 68 69 70 71