edexcel chemistry ion charges chapter 5
lithium
Li+
sodium
Na+
potassium
K+
magnesium
Mg2+
calcium
Ca2+
barium
Ba2+
aluminium
Al3+
silver
Ag+
zinc
Zn2+
ammonium
NH4+
hydrogen
H+
flouride
F-
chloride
Cl-
bromide
Br-
iodide
I-
oxide
O2-
sulfide
S2-
nitrate
NO3-
sulfate
SO4 2-
carbonate
CO3 2-
hydrogencarbonate
HCO3-
hydroxide
OH-
hydride
H-
phosphate
PO4 3-