
To represent: Each of the following figures as an element, a compound, or a mixture.
(b) (c)

Answer to Problem 3.57UTC
Solution:
a. Figure (a) represents a compound.
b. Figure (b) represents a mixture.
c. Figure (c) represents an element.
Explanation of Solution
An element represents a substance containing only 1 type of atom, a compound contains more than one element combined and a mixture represents two or more substances which are not chemically involved. A mixture can contain more than two compounds, more than two elements and a compound and an element.
In figure a, two same elements combine with another element to form a compound. Thus, it represents a compound.
In figure b, there is a mixture of compound and element. Thus, it represents a mixture.
In figure c, there are single atoms of same element thus, it represents an element.
Thus, according to the definition of an element, a compound and a mixture,
a. Figure (a) represents a compound.
b. Figure (b) represents a mixture.
c. Figure (c) represents an element.
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Chapter 3 Solutions
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