Concept explainers
(a)
Interpretation:
Whether metal or nonmetal possess the property of dull powder is to be stated.
Concept introduction:
An element is the basic unit of a substance that cannot be broken down into smaller units. An element can be classified as metal, nonmetal, or metalloid. A metalloid has the properties that are intermediate between metals and nonmetals. A metal possesses certain characteristic properties like malleability, ductility, shiny appearance, and so on. On the other hand, a nonmetal can be characterized by its peculiar properties like brittleness, low density, low melting point, and so on.
(b)
Interpretation:
Whether metal or nonmetal possess the property of colorless gas is to be stated.
Concept introduction:
An element is the basic unit of a substance that cannot be broken down into smaller units. An element can be classified as metal, nonmetal, or metalloid. A metalloid has the properties that are intermediate between metals and nonmetals. A metal possesses certain characteristic properties like malleability, ductility, shiny appearance, and so on. On the other hand, a nonmetal can be characterized by its peculiar properties like brittleness, low density, low melting point, and so on.
(c)
Interpretation:
Whether metal or nonmetal possesses the property of high density is to be stated.
Concept introduction:
An element is the basic unit of a substance that cannot be broken down into smaller units. An element can be classified as metal, nonmetal, or metalloid. A metalloid has the properties that are intermediate between metals and nonmetals. A metal possesses certain characteristic properties like malleability, ductility, shiny appearance, and so on. On the other hand, a nonmetal can be characterized by its peculiar properties like brittleness, low density, low melting point, and so on.
(d)
Interpretation:
Whether metal or nonmetal possesses the property of reaction with metals is to be stated.
Concept introduction:
An element is the basic unit of a substance that cannot be broken down into smaller units. An element can be classified as metal, nonmetal, or metalloid. A metalloid has the properties that are intermediate between metals and nonmetals. A metal possesses certain characteristic properties like malleability, ductility, shiny appearance, and so on. On the other hand, a nonmetal can be characterized by its peculiar properties like brittleness, low density, low melting point, and so on.
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Chapter 3 Solutions
INTRODUCTORY CHEMISTRY-STD.GDE.+SOL.MAN
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