images-CMC

Section 4: Metallic Bonds and Properties of Metals

Metallic Bonds and Properties of Metals

1.
If tungsten were not available for use in a lightbulb filament, which of the elements in the table would be the best choice for a substitute?

Melting Points and Boiling Points of Some Metals
Element
Melting point (°C)
Boiling point (°C)
Lithium
180
1347
Tin
232
2623
Aluminum
660
2467
Barium
727
1850
Silver
961
2155
Copper
1083
2570


A)aluminum
B)barium
C)copper
D)lithium
2.
Why are metals described as having a "sea of electrons"?
A)The electrons are wet.
B)The electrons move in waves.
C)The electrons are free to move between the atoms in a metal.
D)The electrons are fixed to a particular metal atom.
3.
Which of the following is a correct description of a metallic property?
A)Metals are brittle.
B)Metals have a dull appearance.
C)Metals gain electrons to form anions.
D)Metals are malleable.
4.
Which of the following is a mixture of elements that has metallic properties?
A)an alloy
B)a suspension
C)a gas
D)a pure metal
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe

Please read our Terms of Use and Privacy Policy before you explore our Web site. To report a technical problem with this Web site, please contact the Web Producer.