This task is about using chemical formulae for substances.
We often write our initials instead of our full names. Similarly, chemists often use formulae instead of writing the full names of chemicals. For example the formula for water is H20.
Look at the diagrams below and write the formula of each chemical.
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Formula: |
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| a) |
 |
________________________ |
| b) |
 |
________________________ |
| c) |
 |
________________________ |
| d) |
 |
________________________ |
| e) |
 |
________________________ |