Atoms

C2 - Topic 1

Atomic Structure and the Periodic Table

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  • Created by: Lisa
  • Created on: 27-03-13 23:55
Where is the nucleus within an atom?
In the middle
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What does the nucleus contain?
Protons and neutrons
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Is the nucleus positively or negatively charged? Why?
Positively, because protons and positively charged and neutrons have no charge
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Almost the whole mass of the atom is concentrated where?
In the nucleus
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What do the electrons do within the atom?
Move around the nucleus
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What does the size of the elctrons orbits determine?
How big the atom is
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What do electrons occupy?
Shells (energy levels)
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Number of protons equals what?
Number of electrons
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In relation to the protons, the number of neutrons is usually what?
About the same
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Protons are _____ and _____ charged.
heavy, positively
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Neutrons are _____ and _____.
heavy, neutral (no charge)
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Electrons are _____ and _____ charged.
heavy, negatively
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Other cards in this set

Card 2

Front

What does the nucleus contain?

Back

Protons and neutrons

Card 3

Front

Is the nucleus positively or negatively charged? Why?

Back

Preview of the front of card 3

Card 4

Front

Almost the whole mass of the atom is concentrated where?

Back

Preview of the front of card 4

Card 5

Front

What do the electrons do within the atom?

Back

Preview of the front of card 5
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