NCERT · Class 10 · Science · Periodic Classification of ElementsWhich of the following elements belongs to the alkali metals group?
Step-by-Step Solution
Sodium (Na) belongs to Group 1, which consists of alkali metals. Other alkali metals include lithium, potassium, etc.
Detailed Options Breakdown
Option : Magnesium
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Periodic Classification of Elements.
Option 1: Sodium (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Aluminium
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Periodic Classification of Elements.
Option 3: Calcium
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Periodic Classification of Elements.
💡 Study Guide: This question tests core syllabus concepts from Periodic Classification of Elements. For formulas, key summaries, and mock exam reference guides, read the full Periodic Classification of Elements Revision Notes.