Chemistry - Structure of atoms

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Where is the nucleus?
In the middle of the atom
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What is the nucleus made up of?
Protons and neutrons
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What charge are electrons, neutrons and protons?
E= - P= + N= 0
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Where are electrons found?
In shells which 'orbit' the nucleus
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What are atoms made up of?
Subatomic particles
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What is the atomic number?
It is the number of protons in one atom
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What is the mass number?
This is the total number of protons and neutrons in one atom
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Protons and what have the same number?
Electrons
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Other cards in this set

Card 2

Front

What is the nucleus made up of?

Back

Protons and neutrons

Card 3

Front

What charge are electrons, neutrons and protons?

Back

Preview of the front of card 3

Card 4

Front

Where are electrons found?

Back

Preview of the front of card 4

Card 5

Front

What are atoms made up of?

Back

Preview of the front of card 5
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