properties of metals Flashcards

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1
Q

how many metals are their in the periodic table?

A

more than half

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2
Q

what is an electric current?

A

the electrical charge around a circuit

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3
Q

what are metals and what does it mean?

A

metal conductors which means they allow electrical charge to pass through them more easily

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4
Q

what are electrons?

A

negatively charged particles

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5
Q

what do metals contain and how do they move around?

A

some electrons which move freely around metal atoms and they can carry electric current and take it to one end to another

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6
Q

what are metals and what is the meaning of it?

A

thermal conductors and it means that they let heat energy pass trough

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7
Q

what will happen when you heat a piece of metal?

A

particles vibrate strongly

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8
Q

what is one of the reason why the particles vibrate when a piece of metal is burnt?

A

close together

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9
Q

what do free electrons do?

A

help to transfer energy from the hot side to the cooler side of the metal

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