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Chemistry
Which of the following is arranged in order of increasing density?
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Q. Which of the following is arranged in order of increasing density?
Classification of Elements and Periodicity in Properties
A
$Al < Mg < C$ (graphite) $< B$
18%
B
$B < Al < Mg < C$ (graphite)
21%
C
$C$ (graphite) $< Al < B < Mg$
10%
D
$Mg < C$ (graphite) $< B < Al$
52%
Solution:
Density increases from left to right upto middle
in a periods and increases down the group in periodic table.
Graphite form of carbon is less dense thus order of density is
$Mg < C$ (graphite) $< B < Al$.