Concept explainers
(a)
Interpretation:
The element
Concept Introduction:
Metals are elements that have characteristic properties of thermal conductivity, luster, electrical conductivity, and malleability. Except mercury, the physical state of all other metals is solids. They have very high melting points and high density.
Nonmetals are elements that are characterized by the absence of properties like thermal conductivity, luster, electrical conductivity, and malleability. Mostly nonmetals are gases. Only bromine is present as liquid in room temperature. The density of nonmetals is low and they have lower melting points than metals.
Metalloids are elements that possess both metallic and nonmetallic properties.
Element present in the periodic table are represented by a unique name and a chemical symbol. The
(b)
Interpretation:
The element
Concept Introduction:
Refer part (a).
(c)
Interpretation:
The element
Concept Introduction:
Refer part (a).
(d)
Interpretation:
The element
Concept Introduction:
Refer part (a).
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Chemical Principles: The Quest for Insight
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