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SI Prefixes & Cations/anions

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  • Exa (E)


    10^18

  • Peta (P)


    10^15

  • Tera (T)


    10^12

  • Giga (G)


    10^9

  • Mega


    10^6

  • Kilo


    10^3

  • Deci


    10^-1

  • Deca


    10^1

  • Centi


    10^-2

  • Milli (m)


    10^-3

  • Micro (u)


    10^-6

  • Nano (n)


    10^-9

  • Pico (p)


    10^-12

  • Femto (f)


    10^-15

  • Atto (a)


    10^-18

  • Oxygen


    O^2-, in peroxide they share the charge and it is still -2

  • Sulfur


    S^2-

  • Nitrogen


    N, 3-

  • Phosphorus


    P, 3-

  • Iron Fe and Cr Chromium and Cobalt, Co


    Fe 2+, Fe 3+

  • Copper Cu


    Plus and 2+

  • Tin Sn and Lead Pb


    Both 2 + and 4+

  • Mercury, Hg


    Hg2^2+ and Hg^2+, both I and II

  • Acetate


    C2H3O -

  • Carbonate


    CO3 2-

  • Hydrogen carbonate / Bicarbonate


    HCO3-

  • Hydroxide


    OH-

  • Nitrite


    NO2-

  • Nitrate


    No3-

  • Chromate


    CrO4 2-

  • Dichromate


    Cr2O7 2-

  • Phosphate


    PO4 3-

  • Hydrogen phosphate


    HPO4 2-

  • Dihydrogen phosphate


    H2O4 -

  • Ammonium


    NH4+

  • Hypochlorite


    ClO -

  • Chlorite


    ClO2-

  • Chlorate


    Clo3-

  • Perchlorate


    Clo4-

  • Permangate


    MnO4-

  • Sulfite


    SO3 2-

  • Sulfate


    SO4 2-

  • Hydrogen sulfite bisulfite


    HSO3-

  • Hudrogen sulfate bisulfate


    HSO4-

  • Cyanide


    CN -

  • Group 1 Cations (H, Na, Etc)


    +1

  • Group 2 Cations (Ca)


    2+

  • Group 13 (Al)


    3+

  • Zn, Cd


    2+

  • Ag


    +1