28.
(Continued)
When the temperature of a conductor material increases, the resistance
__________________ .
(increases/decreases)
increases
29. Match each term in column A with its definition in column B.
A
B
_____ (1) Conductor.
a. Elements whose atoms have
exactly four valence electrons.
_____ (2) Semiconductor
b. Elements whose atoms have more
_____ (3) Insulator.
than four valence electrons.
c. Elements whose atoms have a
complete 'L shell.
d. Elements whose atoms have less
than four valence electrons.
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IT0341
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