Click the QR code for MC Questions. Written questions, use your jotter, date & heading: ExN5 S3_5B Chemical Formulae. |
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| 1. |
| Write the chemical formula for the following molecules. |
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| 2. | |
Write the chemical formula for the following elements:
a) fluorine b) magnesium c) nitrogen d) phosphorus |
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| 3. | |
| Write the chemical formula for the following compounds |
| a) | hydrogen chloride | b) | phosphorus oxide |
| c) | nitrogen hydride | d) | carbon iodide |
| e) | silicon oxide | e) | hydrogen sulfide |
| 4. | |
| Draw diagrams to show how the electrons are shared in the following molecules. | |
| a) | hydrogen joined to carbon |
| b) | nitrogen joined to chlorine |
| c) | hydrogen joined to oxygen |
| d) | a nitrogen molecule |
| 5. | |
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