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Classify each example of molecular art as a pure element, a pure compound, or a mixture.
(a)
Interpretation:
The molecular art has to be classified as a pure element, a pure compound or a mixture.
The given molecular art is,
Figure 1
Concept Introduction:
Matter can be classified into two type’s namely pure substance and mixture.
Pure substance: A single component that has a constant composition, irrespective of the sample size and the sample origin is called as pure substance. A pure substance could not be broken down to other pure substances by any physical change.
Example: Water, sugar etc.
Element: A pure substance, which cannot be broken down into smaller substances by a chemical reaction is called as an element.
Example: Hydrogen gas, Magnesium ribbon and copper wire etc.
Mixture: A mixture consists of more than one substance and the composition of a mixture is dependent on the sample. The separation of mixture into its components can be done by physical changes.
Compound: A pure substance that is formed by combination of two or more elements by chemical process is called as a compound. Example: Sodium chloride is a compound because it is formed from elements sodium and chlorine.
Answer to Problem 1.31UKC
The given molecular art is a pure element.
Explanation of Solution
The given molecular art is,
Figure 1
The molecular art shown above is a pure element because it comprises of only single entity.
(b)
Interpretation:
The molecular art has to be classified as a pure element, a pure compound or a mixture.
The given molecular art is,
Figure 2
Concept Introduction:
Refer to part (a).
Answer to Problem 1.31UKC
The given molecular art is a pure compound.
Explanation of Solution
The given molecular art is,
Figure 2
The given molecular art is a pure compound because it comprises of combination of two elements (one type of molecules).
(c)
Interpretation:
The molecular art has to be classified as a pure element, a pure compound or a mixture.
The given molecular art is,
Figure 3
Concept Introduction:
Refer to part (a).
Answer to Problem 1.31UKC
The given molecular is a mixture.
Explanation of Solution
The given molecular art is,
Figure 3
The molecular art shown above is a mixture because it comprises of more than one component (different types of molecules).
(d)
Interpretation:
The molecular art has to be classified as a pure element, a pure compound or a mixture.
The given molecular art is,
Figure 4
Concept Introduction:
Refer to part (a).
Answer to Problem 1.31UKC
The given molecular art is a mixture.
Explanation of Solution
The given molecular art is,
Figure 4
The molecular art shown above is a mixture because it consists of more than a single component (different types of atoms).
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