
Concept explainers
(a)
Interpretation:
The given sets of substance are to be classified as element or compound or mixture.
Concept Introduction:
Element are formed entirely of same type of atom. Elements cannot be further broken down into simpler matter.
Compound is pure substances, which are formed by chemical combination of two or more elements in specific proportion and does not possess the characteristics of its individual constituents. The constituents of compounds can be separated by chemical methods.
Mixtures are impure substances, which are formed by mixing of two or more substances physically in any proportion. The characteristic of mixture will be similar to the characteristic of its individual components. Physical methods are enough to separate the constituents of mixture
(b)
Interpretation:
The given sets of substance are to be classified as element or compound or mixture.
Concept Introduction:
Element are formed entirely of same type of atom. Elements cannot be further broken down into simpler matter.
Compound is pure substances, which are formed by chemical combination of two or more elements in specific proportion and does not possess the characteristics of its individual constituents. The constituents of compounds can be separated by chemical methods.
Mixtures are impure substances, which are formed by mixing of two or more substances physically in any proportion. The characteristic of mixture will be similar to the characteristic of its individual components. Physical methods are enough to separate the constituents of mixture
(c)
Interpretation:
The given sets of substance are to be classified as element or compound or mixture.
Concept Introduction:
Element are formed entirely of same type of atom. Elements cannot be further broken down into simpler matter.
Compound is pure substances, which are formed by chemical combination of two or more elements in specific proportion and does not possess the characteristics of its individual constituents. The constituents of compounds can be separated by chemical methods.
Mixtures are impure substances, which are formed by mixing of two or more substances physically in any proportion. The characteristic of mixture will be similar to the characteristic of its individual components. Physical methods are enough to separate the constituents of mixture
(d)
Interpretation:
The given sets of substance are to be classified as element or compound or mixture.
Concept Introduction:
Element are formed entirely of same type of atom. Elements cannot be further broken down into simpler matter.
Compound is pure substances, which are formed by chemical combination of two or more elements in specific proportion and does not possess the characteristics of its individual constituents. The constituents of compounds can be separated by chemical methods.
Mixtures are impure substances, which are formed by mixing of two or more substances physically in any proportion. The characteristic of mixture will be similar to the characteristic of its individual components. Physical methods are enough to separate the constituents of mixture
(e)
Interpretation:
The given sets of substance are to be classified as element or compound or mixture.
Concept Introduction:
Element are formed entirely of same type of atom. Elements cannot be further broken down into simpler matter.
Compound is pure substances, which are formed by chemical combination of two or more elements in specific proportion and does not possess the characteristics of its individual constituents. The constituents of compounds can be separated by chemical methods.
Mixtures are impure substances, which are formed by mixing of two or more substances physically in any proportion. The characteristic of mixture will be similar to the characteristic of its individual components. Physical methods are enough to separate the constituents of mixture
(f)
Interpretation:
The given sets of substance are to be classified as element or compound or mixture.
Concept Introduction:
Element are formed entirely of same type of atom. Elements cannot be further broken down into simpler matter.
Compound is pure substances, which are formed by chemical combination of two or more elements in specific proportion and does not possess the characteristics of its individual constituents. The constituents of compounds can be separated by chemical methods.
Mixtures are impure substances, which are formed by mixing of two or more substances physically in any proportion. The characteristic of mixture will be similar to the characteristic of its individual components. Physical methods are enough to separate the constituents of mixture

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Chapter 5 Solutions
Chemistry: Atoms First
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