properties of metals and non metals
TRANSCRIPT
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Metals
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Physical Properties of Metals
Have Luster -shiny Are Conductors -heat and electricity
move through them easily Malleable – Can be hammered into a
different shape Ductile – Can be drawn into a wire High Density – Heavy for their size Metals are solid, except for mercury
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Examples of Metal
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Physical Properties of NonMetals
Dull – not shiny Nonconductors – heat and electricity do
not move through easily Brittle – break easily Most nonmetals are gases at room
temperature
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Properties of Metals
Metals have luster. This means they are shiny
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Properties of Metals
Ductilemetals can be drawn into wire.
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Properties of Metals
Malleablemetals can be hammered into sheets
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Properties of Metals
Metals have a high melting point. They are also very dense.
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Properties of Metals
Conductors Metals are
good conductors of electricity and heat
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Properties of Metals
A chemical property of metal is its reaction with water and oxygen. This results in corrosion and rust.
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Nonmetals
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Properties of Nonmetals
Nonmetals do not have luster; they are dull.
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Properties of Nonmetals
BrittleNonmetals are
brittle so they break easily. This means nonmetals ARE NOT ductile or malleable.
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Properties of Nonmetals
Nonmetals have low density.
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Properties of Nonmetals
They also have a low melting point. This is why they are poor conductors of heat and electricity.
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Chemical Properties of Metals Most metals
have 3 or less valence electrons and therefore are likely to lose these electrons in chemical bonds.
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Nonmetals have 5 or more valence electrons and therefore usually gain electrons in chemical bonds.
Chemical Properties of Non-Metals