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Byju's Answer
Standard XII
Chemistry
Packing Fraction and Efficiency
The lightest ...
Question
The lightest metal known is:
A
beryllium
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B
lithium
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C
sodium
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D
boron
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Solution
The correct option is
B
lithium
Among the given metals, lithium has lowest density (0.53
g
c
m
3
).
Hence it is lightest metal.
Option B is correct.
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