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Byju's Answer
Standard XII
Chemistry
Introduction to d and f Block Elements
The lightest ...
Question
The lightest metal in the periodic table is:
A
M
g
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B
Z
n
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C
L
i
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D
N
a
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Solution
The correct option is
C
L
i
A light metal is any metal of relatively low density.
Densities of
M
g
−
1.7
g
m
/
c
.
c
,
N
a
−
0.968
g
m
/
c
.
c
.
,
Z
n
−
7.14
g
m
/
c
.
c
are higher than
L
i
which is
0.53
g
m
/
c
.
c
. So it is lightest of all.
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L
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