SC-39
Chemical formulae
Lower Sec Science · Secondary 1 · Medium · Chemical formulae
A student writes the chemical formula for magnesium oxide as .
Which statement correctly describes the information shown by the correct formula ?
Which statement correctly describes the information shown by the correct formula ?
- It shows there is one magnesium atom and one oxygen atom in each unit of the compound.
- It shows the physical size of magnesium and oxygen atoms in the compound.
- It shows that magnesium and oxygen cannot be separated by any method.
- It shows the colour of magnesium oxide in solid form.
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