Balancing Equations

Question 1

What are the diatomic molecules?

Answer 1

H2, O2, N2, F2, Cl2, Br2, I2, At2

Question 2

List the complex ion formulae

Answer 2

OH^- . . . . . Hydroxide ion
NH4^+ . . . . Ammonium ion
NO3^- . . . . Nitrate ion
CO3^2- . . . Carbonate ion
SO4^2- . . . Sulphate ion
PO4^3- . . . Phosphate ion
ClO^- . . . . .Chlorate ion
HCO3^- . . .Hydrogen Carbonate ion