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What does an atom consist of?
A small positively charged nucleus surrounded by an equal number of negatively charged electrons.
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How do you know if an atom is stable and neutral?
Equal number of +/- charges.
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Law of Electric Charge
It states that LIKE charges REPEL, UNLIKE charges attract.
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What happens when a polythene rod is rubbed with a duster?
Electrons transfer from the duster to the polythene. The polythene rod becomes neg charged.
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What happens when an acetate rod is rubbed with a duster?
The electrons tranfer from the acetate to duster. The acetate rod is + charged.
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What are all electrostatic effects due to?
Movement of electrons.
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Charged atoms or molecules are called...?
Ions.
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What is a nucleon?
A particle found in the nucleus. Therefore protons and neutrons are nucleons.
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Other cards in this set

Card 2

Front

How do you know if an atom is stable and neutral?

Back

Equal number of +/- charges.

Card 3

Front

Law of Electric Charge

Back

Preview of the front of card 3

Card 4

Front

What happens when a polythene rod is rubbed with a duster?

Back

Preview of the front of card 4

Card 5

Front

What happens when an acetate rod is rubbed with a duster?

Back

Preview of the front of card 5
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