How many elements in Group 1 are non-radioactive and occur in significant, stable quantities in natu — s Block Elements Chemistry Question
Question
How many elements in Group 1 are non-radioactive and occur in significant, stable quantities in nature?
Answer: 5
💡 Solution & Explanation
The elements Li, Na, K, Rb, and Cs are the 5 stable, non-radioactive alkali metals. Francium ($Fr$) is highly radioactive and naturally occurs only in trace amounts.
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