O-LevelChemistryAtomic Structure5070/11 · Oct/Nov 2014 · Q221 Mark

Which statement explains why the chemical properties of sodium and potassium are similar?

AThey are in the same group of the Periodic Table.

BThey are in the same period of the Periodic Table.

CThey are soft and can be cut with a knife.

DThey have similar melting points.

✓ Correct answer

A: They are in the same group of the Periodic Table.

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Topic: Atomic Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2014 Paper 1 Variant 1, question 22.

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