Chemistry unit 2 ATOMS

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  • Created by: Lucycp101
  • Created on: 25-11-15 20:39
What is an element?
A substance made of only one type of atom
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What does an atom contain?
A nucleus, electrons, protons and neutrons.
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What charge does each sub atomic particle have?
Electron has -1, neutron has 0 and a proton has 1+
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What does each element in their particular group all have in common?
They all have the same number of elections on their outermost shell as the group number
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What is the atomic number?
The number of protons = number of electrons
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What is the mass number?
The number of protons plus neutrons
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What are the maximum number of electrons in each shell?
2,8,8
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What is the number of protons equal too?
Neutrons
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Other cards in this set

Card 2

Front

What does an atom contain?

Back

A nucleus, electrons, protons and neutrons.

Card 3

Front

What charge does each sub atomic particle have?

Back

Preview of the front of card 3

Card 4

Front

What does each element in their particular group all have in common?

Back

Preview of the front of card 4

Card 5

Front

What is the atomic number?

Back

Preview of the front of card 5
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