Metalloids Answers

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The table shows columns that Brenda uses for her notes on the properties of elements. Her notes state that some elements can react to form basic compounds.Where should Brenda place this property in her table?

Question illustration
A
only in the column for metalloids
B
only in the column for nonmetals
C
in the columns for metalloids and for nonmetals
D
in the columns for metals and for metalloids
2
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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.
3

Which element is a semiconductor?

A
germanium
B
aluminum
C
tin
D
iodine
4

The table shows columns that Franklin uses to organize his notes on the properties of elements. His notes state that some elements are widely used in semiconductors.Where should Franklin place this property in his table?

Question illustration
A
only in the column for metalloids
B
only in the column for nonmetals
C
in the columns for metalloids and for nonmetals
D
in the columns for metals and for metalloids
5

Which element is a metalloid?

A
selenium (Se)
B
germanium (Ge)
C
phosphorus (P)
D
iodine (I)
6

Which groups on the periodic table contain metalloids?

A
Groups 1–2
B
Groups 3–12
C
Groups 13–16
D
Groups 17–18
7

How does the number of valence electrons in atoms of metalloids explain why metalloids are semiconductors?

A
They have one or two valence electrons, so they cannot lose electrons easily.
B
They have one or two valence electrons, so they can lose or gain electrons.
C
They have three to six valence electrons, so they cannot lose electrons easily.
D
They have three to six valence electrons, so they can lose or gain electrons.
8

Which element in period 3 on the periodic table is a metalloid?

A
magnesium (Mg)
B
aluminum (Al)
C
silicon (Si)
D
sulfur (S)
9

Which metalloid has five valence electrons in the fourth electron shell?

A
antimony
B
germanium
C
selenium
D
arsenic
10

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)

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