A metal form strong base salts and stable carbonates. The metal is:
Correct answer: B. Alkali metal
- A. Transition metal
- B. Alkali metal
- C. Alkaline earth metal
- D. None of above
Explanation
Group 1 elements, known as Alkali metals, fit the criteria of forming strong base salts and stable carbonates due to their low polarizing power. This is why Option B is the correct answer. The other options, such as Transition metals and Alkaline earth metals, do not exhibit the same characteristics as described in the question.
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About Reactions of Group I Elements
Group I elements have one valence electron, so their reactivity increases down the group as ionisation energy decreases. Their reactions with water, oxygen, hydrogen and halogens produce hydroxides, oxides, hydrides and halides, while the behaviour of lithium differs from the heavier metals because of its small ionic size.
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