Metalloids Answers

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1
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Which elements are metalloids? Check all that apply.borontungstenaluminumbismuthsilicontelluriumtin

A
boron
B
tungsten
C
aluminum
D
bismuth
E
silicon
F
tellurium
G
tin
2
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Amphoteric, able to form acidic OR basic compounds: [___]

A
metals only
B
metals and metalloids
C
metalloids only
D
metalloids and nonmetals
E
nonmetals only
3

Gaseous at room temperature: [___]

A
metals only
B
metals and metalloids
C
metalloids only
D
metalloids and nonmetals
E
nonmetals only
4

Solid at room temperature: [___]

A
metals only
B
metals and metalloids
C
metalloids only
D
metalloids and nonmetals
E
nonmetals only
5

Brittle: [___]

A
metals only
B
metals and metalloids
C
metalloids only
D
metalloids and nonmetals
E
nonmetals only
6

For each property listed, identify the type of element it describes.

Answers:
Fatima is designing an advanced graphics card for a next-generation video game system. She needs to be able to precisely control the conductivity of the electronic components. For this purpose, she sh:semiconducting
An element that is likely to have this property is .:tellurium
7

Very good electrical conductivity: [___]

A
metals only
B
metals and metalloids
C
metalloids only
D
metalloids and nonmetals
E
nonmetals only
10

Which elements can form acidic compounds? Check all that apply.sulfurrubidiumarsenicseleniumsiliconxenonantimony

A
sulfur
B
rubidium
C
arsenic
D
selenium
E
silicon
F
xenon
G
antimony
11

Which elements can form basic compounds? Check all that apply.sulfurrubidiumarsenicseleniumsiliconxenonantimony

A
sulfur
B
rubidium
C
arsenic
D
selenium
E
silicon
F
xenon
G
antimony

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