EDEXCEL GCSE ADDITIONAL CHEMISTRY

Atomic structure and the periodic table

  • Created by: nick
  • Created on: 28-04-13 15:24
What is the atomic mass of an atom?
Protons + neutrons
1 of 10
Which scientist came up with the law of octaves?
Newlands
2 of 10
What is the group number of the halogens?
The noble gases are group eight.
3 of 10
What is the atomic number of an atom?
The number of protons and neutrons is the atomic mass.
4 of 10
What is an isotope?
An isotope has the same protons but different neutrons.
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What is the charge on a neutron?
It has no charge
6 of 10
What is the relative atomic mass of carbon?
12
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How many neutrons does potassium have (atomic number 19, mass number 39)?
20
8 of 10
How many neutrons does aluminium have (atomic number 13, mass number 27)?
Aluminium has 14 neutrons (27-13=14).
9 of 10
How many electrons does potassium have (atomic number 19, mass number 39)?
20 is the number of neutrons.
10 of 10

Other cards in this set

Card 2

Front

Which scientist came up with the law of octaves?

Back

Newlands

Card 3

Front

What is the group number of the halogens?

Back

Preview of the front of card 3

Card 4

Front

What is the atomic number of an atom?

Back

Preview of the front of card 4

Card 5

Front

What is an isotope?

Back

Preview of the front of card 5
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Comments

__Grace__

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Halogens are actually in group 7...

5782

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ummm, no there not there in group 8 also known as group 0 due to the fact that they have 0 electrons on outer shell as they have full outer shells before hand.

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