ions

  1. hydrogen → H+

  2. lithium → Li+

  3. sodium → Na+

  4. potassium → K+

  5. magnesium → Mg2+

  6. calcium → Ca2+

  7. strontium → Sr2+

  8. barium → Ba2+

  9. chromium → Cr3+

  10. manganese → Mn2+

  11. nickel → Ni2+

  12. silver → Ag+

  13. zinc → Zn2+

  14. aluminum → Al3+

  15. lead → Pb2+

  16. nitride → N3-

  17. phosphide → P3-

  18. oxide → O2-

  19. sulfide → S2-

  20. fluoride → F-

  21. chloride → Cl-

  22. bromide → Br-

  23. iodide → I-

===

+1 → H, Li, Na, K, Ag, Cu

+2 → Mg, Ca, Sr, Hg, Ba, Mn, Ni, Zn, Pb, Cu, Fe, Sn, Hg2

+3 → Cr, Al, Fe

+4 → Sn

-3 → N, P

-2 → O, S, O2

-1 → F, Cl, Br, I

charge

ion 1

ion 2

ion 3

-2

chromate (CrO4 -2)

dichromate (Cr2O7 -2)

-1 or -2

bicarbonate (HCO3-)

carbonate (CO3 -2)

-1

nitrite (NO2-)

nitrate (NO3-)

-2 or 0

sulfite (SO3 -2)

sulfate (SO4 -2)

bisulfate (NaHSO4)

-3

phosphite (PO3 -3)

phosphate (PO4 -3)

-1

chlorite (ClO2-)

chlorate (ClO3-)

nitr- → start at 2 O’s, -1 charge

clor- → start at 2 O’s, -1 charge

“cloon”

sulf- → start at 3 O’s, -2 charge

phosph- → start at 3 O’s, -3 charge

“pooos”