Elements

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  • Created by: Alamo
  • Created on: 03-11-17 09:43
What is an element?
A substance made up of atoms that have the same number of protons in their nucleus
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What is an isotope?
Isotopes are different forms of an element but have a different number of neutrons
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Isotopes have the same atomic number but different what?
Mass number
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What is the formula to work out the relative atomic mass?
Relative atomic mass (Ar) = (isotope abundance x isotope mass number) / sum of abundances of all the isotopes
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What can atoms be represented by?
A one or two letter symbol
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Other cards in this set

Card 2

Front

What is an isotope?

Back

Isotopes are different forms of an element but have a different number of neutrons

Card 3

Front

Isotopes have the same atomic number but different what?

Back

Preview of the front of card 3

Card 4

Front

What is the formula to work out the relative atomic mass?

Back

Preview of the front of card 4

Card 5

Front

What can atoms be represented by?

Back

Preview of the front of card 5

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