Question 12
Question 12 of 40
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Periodic Table
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No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
4. States of matter
4.2. Bonding and structure

describe, in simple terms, the lattice structure of a crystalline solid which is: (a) giant ionic, including sodium chloride and magnesium oxide (b) simple molecular, including iodine, buckminsterfullerene \( C_{60} \) and ice (c) giant molecular, including silicon(IV) oxide, graphite and diamond (d) giant metallic, including copper

9. The Periodic Table: ch...
9.2. Periodicity of chemical proper...

describe, explain, and write equations for, the acid/base behaviour of the oxides Na₂O, MgO, Al₂O₃, P₄O₁₀, SO₂ and SO₃ and the hydroxides NaOH, Mg(OH)₂ and Al(OH)₃ including, where relevant, amphoteric behaviour in reactions with acids and bases (sodium hydroxide only)

3. Chemical bonding
3.2. Ionic bonding

describe ionic bonding including the examples of sodium chloride, magnesium oxide and calcium fluoride