Interpretation:
Inference about relation between density and
Concept introduction:
Atomic density is number of atoms contained in unit volume. Atomic number of any element represents the proton count in the nucleus and the electron count around it.
As an increase in atomic number occurs, elemental mass too increases.
Answer to Problem 87A
Since the plot of density versus atomic number is not a straight line so the increase in density with respect to atomic number is non-linear or irregular.
Explanation of Solution
The plot of atomic number versus density for group 15 elements is as follows:
From the above graph it can be inferred that with the increase of atomic number, the density of the element also increases. But the plot is not a straight line which also indicates that density doesn’t depends on the atomic number linearly or regularly.
Since the plot of density versus atomic number is not a straight line so the increase in density with respect to atomic number is non-linear or irregular.
Chapter 6 Solutions
Chemistry: Matter and Change
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