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Worksheet 19: Writing and naming formulas Topic 5

Set A: Writing chemical formulas Objective: To test your ability to write the correct chemical
formulas to a given IUPAC compound names
Write the correct chemical formula to the given names. Use criss-cross method to ensure correct
subscripts and equalization of charges.

1. Write the correct formulas for the following Binary Ionic Compounds .
a) Potassium fluoride b) Lithium oxide

c) Barium iodide d) Magnesium sulfide
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2. Write the correct formulas for the following compounds containing a polyatomic ion.
e) Sodium sulfate f) Barium Phosphate

g) Magnesium hydrogen carbonate h) Aluminum chromate

Need help? Study Book pg 102 – 104 Set 8 - 12
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3. Write formula for the following compounds containing element with multiple positive charges.
i) Lead (II) Iodide j) Copper (I) nitrate k) Nitrogen (V) oxide

l) Iron (III) Sulfate m) Chromium (V) Chloride n) Phosphorous (IV) oxide

4. Mixed formula writing.
o) Palladium (II) sulfide p) Strontium nitrite q) Calcium iodide

r) Lithium permanganate s) Platinum (IV) oxide t) Barium chlorate

u) Iron (III) Sulfate v) Chromium (VI) phosphide w) Manganese (III) oxide

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