Atoms and elements

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  • Created by: maddy
  • Created on: 18-03-14 20:00
Atoms have a small nulceus surrounded by what?
Electrons
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Where is the nucleus in an atom?
Middle of the atom
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What 2 things does the atom contain?
Protons and Electrons
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What is the charge of a electron?
Negative
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What is the charge of a proton?
Positive
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What is the charge of a neutron?
Neutral
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What is the charge of the nucleus and why?
Positive charge overall because the prtoons have a positive charge
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What occupies shells?
Electrons
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What is the charge of an atom?
TRICK QUESTION! They have no charge
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What is the number of electrons equal to?
The number of protons in the atom
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What happens to an ion for it to become charged?
Electrons are added or removed
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What feature of the atom decides what type of atom it is?
The number of protons
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How many elements are there?
100
13 of 13

Other cards in this set

Card 2

Front

Where is the nucleus in an atom?

Back

Middle of the atom

Card 3

Front

What 2 things does the atom contain?

Back

Preview of the front of card 3

Card 4

Front

What is the charge of a electron?

Back

Preview of the front of card 4

Card 5

Front

What is the charge of a proton?

Back

Preview of the front of card 5
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