Home › CBSE Class 11 (Science) › Chemistry › S and P Block Elements › Which alkali metal is less dense than sodium des…
Which alkali metal is less dense than sodium despite being heavier?
ACaesium
BRubidium
CFrancium
DPotassium
Answer & Solution
Correct answer: D. Potassium
Density generally rises down the group, but potassium breaks the trend by being lighter than sodium.
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