Chemistry Unit 5 Notes 5 Question Preview (ID: 62445)


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Metallic bonding:
a) The chemical bonding that results from the attraction between metal ators and the surrounding sea of electrons
b) Some metal atoms replaced by others of similar size
c)
d)

Vacant p and d orbitals in metal's outer energy levels overlap, and allow outer electrons to roam freely. They are delocalized - move freely about the empty atomic orbitals
a) True
b) False
c)
d)

Model: Packing uniform, hard spheres to best use available space. This is called closest packing. Each atom has 12 nearest neighbors.
a) True
b) False
c)
d)

•Interstitial Alloy: Interstices (holes) Carbon in closest packed metal structure are occupied by small atoms.
a) True
b) False
c)
d)

Metals are good , conductors of heat and electricity
a) True
b) False
c)
d)

Metals are malleable
a) True
b) False
c)
d)

Metals are ductile
a) True
b) False
c)
d)

Metals have high tensile strength
a) True
b) False
c)
d)

Metals have high luster
a) True
b) False
c)
d)

Substitutional Alloy:
a) some metal atoms replaced by others of similar size.
b)
c)
d)

Properties of Substances with Metallic, lonic, and Covalent Bonds
a) Metallic,lonic,Covalent, Potassium, chloride,Chlorine
b) Ndjdnendd
c)
d)

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