Question 18
Question 18 of 40
Question image for Q18
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
8. The Periodic Table
8.1. Arrangement of elements

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

7. Acids, bases and salts
7.2. Oxides

Classify oxides as acidic, including SO(_2) and CO(_2), or basic, including CuO and CaO, related to metallic and non-metallic character