General Science - Physics (Basics)
Which of the following elements belongs to Group 1 of the periodic table?
Which of the following elements belongs to Group 1 of the periodic table?
easy Q11 of 15
Step-by-Step Solution
Step 1: Identify the concept
The question tests knowledge of periodic table groups, specifically Group 1 elements known as alkali metals.Step 2: Apply the concept
Group 1 elements have one valence electron and include Lithium, Sodium, Potassium, etc. Sodium is in Group 1, while Calcium is Group 2, Chlorine is Group 17, and Oxygen is Group 16.Final Answer:
Sodium → Option AQuick Check:
Group 1 element = Sodium ✅
Quick Trick: Group 1 elements have 1 valence electron and are alkali metals.
Common Mistakes:
- Confusing Group 1 with Group 2 elements like Calcium.
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