Christopher Whitehead Sixth Form: A-level Chemistry Summer Bridging Task DO NOT PRINT OUT - Use this PowerPoint to help you learn the formulae of some of the common ions. There is a document available on the website that can be used to make paper cards.

calcium ion Ca2+

aluminium ion Al3+

fluoride ion F-

silver ion Ag+

barium ion Ba2+

hydroxide ion OH-

copper (II) ion Cu2+

phosphate ion PO4 3-

lithium ion Li+

iron (II) ion Fe2+

nitrate ion - NO3

ammonium ion NH4 +

bromide ion Br -

magnesium ion Mg2+

oxide ion O2-

potassium ion K+

sulphate ion SO4 2-

iron (III) ion Fe3+

sodium ion Na+

carbonate ion CO3 2-

chloride ion Cl-

hydrogencarbonate ion - HCO3

hydrogen ion H+

ethanoate ion CH3COO-

iodide ion I-

cuprous ion or copper (I) ion

zinc ion Zn2+

sulfide ion S2-