Metalloids Answers
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Which element is a metalloid?
A
selenium (Se)B
germanium (Ge)C
phosphorus (P)D
iodine (I)2
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3
Which element is a semiconductor?
A
germaniumB
aluminumC
tinD
iodine4
Which metalloid has three valence electrons?
A
boronB
arsenicC
siliconD
lithium5
Which lists the elements in order from least conductive to most conductive?
A
nitrogen (N), antimony (Sb), bismuth (Bi)B
nitrogen (N), bismuth (Bi), antimony (Sb)C
antimony (Sb), nitrogen (N), bismuth (Bi)D
bismuth (Bi), antimony (Sb), nitrogen (N)6
Which metalloid has five valence electrons in the fourth electron shell?
A
antimonyB
germaniumC
seleniumD
arsenic7
The design of a new computer processor requires that electric current be carefully controlled. Why might an engineer want to use a metalloid when designing a new computer processor?
A
Metalloids are amphoteric.B
Metalloids are semiconductors.C
Metalloids are brittle.D
Metalloids are shiny.8
Which statement describes a property that is unique to metalloids?
A
Metalloids are shiny.B
Metalloids are semiconductive.C
Metalloids are solid.D
Metalloids are brittle.9
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10
Which element in period 3 on the periodic table is a metalloid?
A
magnesium (Mg)B
aluminum (Al)C
silicon (Si)D
sulfur (S)Did you find these answers helpful?
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