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Features of Group and Periods

Name one alka...

Question

Name one alkali metal of period 5.

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Solution

Rubidium is the first element placed in period 5. It is an alkali metal, the most reactive group in the periodic table, having properties and similarities with both other alkali metals and other period 5 elements.

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A metal which floats on water, reacts with it and forms an alkali.

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(c) a strong alkali
(d) a weak alkali
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