Chemistrymedium · Past Paper
The diagonal relationship in the periodic table is shown by:
ALithium and Magnesium
BSodium and Potassium
COxygen and Sulfur
DBoron and Carbon
✓ Correct Answer: A — Lithium and Magnesium
Lithium (Period 2, Group 1) and Magnesium (Period 3, Group 2) show similar properties due to diagonal relationship.
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