Metalloids — Quiz Answers

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1
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Which property do metalloids share with nonmetals?

A
Both can be pounded into thin sheets.
B
Both are very poor electrical conductors.
C
Both are gases at room temperature.
D
Both can react to form acidic compounds.
2
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Which element is a metalloid?

A
selenium Se
B
iodine cap i
C
germanium Ge
D
phosphorus cap p
3

Which statement describes a property that is unique to metalloids?

A
Metalloids are solid.
B
Metalloids are brittle.
C
Metalloids are shiny.
D
Metalloids are semiconductive.
4

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

A
sulfur cap s
B
magnesium Mg
C
aluminum ​​​​​​​ Al
D
silicon Si
5

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. Metals Metalloids Nonmetals Where should Brenda place this property in her table?

A
in the columns for metals and for metalloids
B
only in the column for metalloids
C
in the columns for metalloids and for nonmetals
D
only in the column for nonmetals
7

Which groups on the periodic table contain metalloids?

A
Groups 3–12
B
Groups 17–18
C
Groups 13–16
D
Groups 1–2
8

Which metalloid has three valence electrons?

A
lithium
B
boron
C
silicon
D
arsenic
10

Based on their locations on the periodic table, which best compares the properties of the metalloids arsenic As and antimony Sb ?

A
Arsenic has a more metallic behavior than antimony because arsenic’s atoms have fewer electron shells.
B
Arsenic has a more nonmetallic behavior than antimony because arsenic’s atoms have more electron shells.
C
Arsenic has a more nonmetallic behavior than antimony because arsenic’s atoms have fewer electron shells.
D
Arsenic has a more metallic behavior than antimony because arsenic’s atoms have more electron shells.

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