Q13 of 9701_m21_qp_12

Question 13

Question 13 of 40

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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

9. The Periodic Table: ch...

9.1. Periodicity of physical proper...

explain the variation in melting point and electrical conductivity in terms of the structure and bonding of the elements

1. Atomic structure

1.4. Ionisation energy

explain the factors influencing the ionisation energies of elements in terms of nuclear charge, atomic/ionic radius, shielding by inner shells and sub-shells and spin-pair repulsion

3. Chemical bonding

3.1. Electronegativity and bonding

explain the factors influencing the electronegativities of the elements in terms of nuclear charge, atomic radius and shielding by inner shells and sub-shells