Question 17
Question 17 of 40
Question image for Q17
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
11. Group 17
11.1. Physical properties of the Gr...

describe the colours and the trend in volatility of chlorine, bromine and iodine

3. Chemical bonding
3.1. Electronegativity and bonding

use the differences in Pauling electronegativity values to predict the formation of ionic and covalent bonds (the presence of covalent character in some ionic compounds will not be assessed) (Pauling electronegativity values will be given where necessary)

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

explain the variations and trends in 9.2.2, 9.2.3, 9.2.4 and 9.2.5 in terms of bonding and electronegativity