SC-31
Chemical formulae
Lower Sec Science · Secondary 1 · Medium · Chemical formulae
The chemical formula of aluminium oxide is .
How many different elements and how many atoms are present in one formula unit of aluminium oxide?
How many different elements and how many atoms are present in one formula unit of aluminium oxide?
- 2 elements and 5 atoms
- 2 elements and 3 atoms
- 5 elements and 2 atoms
- 3 elements and 5 atoms
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