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Question
Chemistry
Which of the following is arranged in order of increasing density?
Q. Which of the following is arranged in order of increasing density?
2251
189
Classification of Elements and Periodicity in Properties
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A
A
l
<
M
g
<
C
(graphite)
<
B
18%
B
B
<
A
l
<
M
g
<
C
(graphite)
21%
C
C
(graphite)
<
A
l
<
B
<
M
g
10%
D
M
g
<
C
(graphite)
<
B
<
A
l
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
M
g
<
C
(graphite)
<
B
<
A
l
.