Ionic bonding questions

1. State the formula of:(a) sodium carbonate(b) aluminium phosphate(c) calcium hydrogencarbonate(d) chromium(III) hydroxide(e) copper(I) nitrate(f) ammonium sulfate(g) caesium iodide2. The formula of a oxide of iron is FeO. State the formula of (a) the nitrate and (b) the chloride of iron with the same oxidation state.3. Explain why sulfur forms ionic compounds containing the S2− ion.4. Use sodium chloride as an example...

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