Question 12
Question 12 of 40
Question image for Q12
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
1. Atomic structure
1.1. Particles in the atom and atom...

state and explain qualitatively the variations in atomic radius and ionic radius across a period and down a group

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

9. The Periodic Table: ch...
9.1. Periodicity of physical proper...

describe qualitatively (and indicate the periodicity in) the variations in atomic radius, ionic radius, melting point and electrical conductivity of the elements