conductivity explained Flashcards

1
Q

what is electricity

A

a flow of charged particles

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2
Q

metallic bonding

A

all metals conduct electricity

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3
Q

why do metals conduct

A

delocalised electrons are free to move

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4
Q

covalent substances

A

don’t conduct in any state

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5
Q

why don’t covalent substances conduct

A

no charged particles free to move

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6
Q

ionic bonding - solid state

A

never conduct electricity

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7
Q

ionic substances- molten or in solution

A

do conduct

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8
Q

why don’t solid ionic substance conduct

A

ions are not free to move

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9
Q

why do ionic bonds in liquid or solution conduct

A

ions are free to move

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10
Q

all nonmetals don’t conduct except

A

carbon in the form of graphite

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