1
Q
What are metalloids?
A
Metalloid are chemical element that have properties both between those of a typical metal and a typical nonmetal.
2
Q
What are the physical properties of metalloids?
A
- Solid at room temperature
- Brittle
- Hard
3
Q
What are the chemical properties of metalloids?
A
- Somewhat reactive
- Some are semiconductors
- Their electric conductivity depend on temperature, exposure to light, and presence of impurities
4
Q
What does it mean for a element/atom to be a semiconductor?
A
It means they conduct electricity under some conditions but not under other conditions.
5
Q
What is the most common metalloid?
A
Silicon
Chemistry Grade 7
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