Q3 of 39 Page 305

Why are alkali metals not found in nature?

Alkali metals include lithium, sodium, potassium, rubidium, Caesium, and francium. Alkali metals are not found in nature alone because they are too reactive and thus combine with all elements except noble gases.


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1

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Discuss the general characteristics and gradation in properties of alkaline earth metals.

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Explain why is sodium less reactive than potassium.