Page 243 - Science Course 1 (Book 1)
P. 243
Mo6-L6c: What Elements are Metalloids?
Silicon is used in making semiconductor devices for
Key Concept computers and other electronic products.
What Elements are Metalloids?
What are metalloids on the periodic table?
Metals, Nonmetals, and Metalloids
An element’s position on the periodic table tells you
a lot about the element.
Understanding the properties of elements can help
you decide which element to use in a given
situation.
Metals
Metalloid
Nonmetals
A property of metalloids is the ability to act as a
semiconductor.
A semiconductor conducts electricity at high
temperatures, but not at low temperatures.
SUMMARY
What Elements are Metalloids?
Metalloids have some metallic properties and
some nonmetallic properties.
The most important use of metalloids is as
semiconductors.
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