CH-1199
Structure and properties
Chemistry · Secondary 4 · Medium · Structure and properties
Which statement best explains why magnesium oxide has a much higher melting point than sulfur dioxide?
- MgO has simple molecules while SO₂ has a giant lattice.
- MgO has a giant ionic lattice while SO₂ has simple molecules with weak forces between them.
- Both are simple molecules but MgO molecules are heavier.
- Both are ionic but Mg²⁺ ions are smaller than S⁴⁺ ions.
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