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

Explain similarities in the chemical properties of elements in the same group of the Periodic Table in terms of their electronic configuration

State the formulae of the elements and compounds named in the subject content

Determine the electronic configuration of elements and their ions with proton number 1 to 20, e.g. 2,8,3