SC-52
Chemical formulae
Lower Sec Science · Secondary 1 · Medium · Chemical formulae
A student writes the chemical formula for magnesium oxide as . The correct formula is . How many magnesium atoms and how many oxygen atoms are there in one unit of ?
- 1 magnesium, 1 oxygen
- 1 magnesium, 2 oxygen
- 2 magnesium, 1 oxygen
- 2 magnesium, 2 oxygen
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