Question 26
Question 26 of 40
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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
8.2. Group I properties

Describe the Group I alkali metals, lithium, sodium and potassium, as relatively soft metals with general trends down the group, limited to: (a) decreasing melting point (b) increasing density (c) increasing reactivity

12. Experimental techniqu...
12.5. Identification of ions and ga...

Describe the use of a flame test to identify the cations: (a) lithium, Li^+ (b) sodium, Na^+ (c) potassium, K^+ (d) calcium, Ca^2+ (e) barium, Ba^2+ (f) copper(II), Cu^2+

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