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H2 Chemistry 5 - The Periodic Table: Behaviour of Period 3 Oxides with Water

What you will learn

Na2O is ionic and strongly basic: oxide ion accepts a proton to give pH around 13 to 14.
MgO is ionic with high lattice energy and only sparingly soluble, giving pH around 9 to 10.
SiO2 is a giant covalent lattice: it is acidic but only reacts with hot concentrated NaOH, not with water.

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