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Transcript
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Non-metals:
To the right on the periodic table
Properties of non-metals vary a lot more than properties of metals
Many are gases at room temperature
Bromine is a liquid
If it is solid:
dull appearance
CANNOT be pounded or shaped into a wire
Poor conductors of heat
Poor conductor of electricity
Metals:
Most elements are metals (left side of periodic table)
Conducts electricity well
Conducts heat well
Shiny in appearance
CAN BE SHAPED (pounded, bent or drawn into wire)
Solids at room temp (except mercury-liquid)
Metalloids:
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Have properties of both METALS and NON METALS
On either side of zigzag line on periodic table
Silicon is the most common-(2nd most common in Earth’s crust)
Used in semiconductors – sometimes conducts electricity
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Non-metals:
To the ___________ on the periodic table
____________of non-metals vary a lot more than properties of
metals
Many are __________ at room temperature
Bromine is a ___________
If it is solid:
__________ appearance
__________ be pounded or shaped into a wire
Poor ___________ of heat
Poor conductor of ____________
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Metals:
Most elements are metals (________ side of periodic table)
Conducts ___________ well
Conducts __________ well
_____________ in appearance
CAN BE ____________ (pounded, bent or drawn into wire)
_________ at room temp (except mercury-liquid)
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Metalloids:
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Have properties of both __________ and _____________
On either side of ____________ line on periodic table
_________ is the most common-(2nd most common in Earth’s crust)
Used in ____________ – sometimes conducts electricity