Scientific definitions

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  • Created by: Twana
  • Created on: 05-03-14 17:33
Define the term Relative atomic mass
The Average mass of an atomic of an element compared to carbon 12 where carbon is exactly 12.
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Define the term isotope
Atoms of the same element hich have the same number of protons but different number of neutrons.
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Define the term Relative isotope mass
The actural mass of each isotope of an element compared to carbon 12 where carbon is exactly 12.
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Define relative formula mass
The mass of all elements in a compound
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Define a mole
The amount of a substance containing as many particles as there are carbons in exactly carbon 12.
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Define Avagadro Constant(Na)
The numbers of particles in 1mole of any substance (6.02x10,23)
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Define first ionisation engery
The energy required to remove one mole of electrons from one mole of gaseous atoms, to form one mole of positivily charged gaseous ions.
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Define electronegativity
The ability of an atom to attrack a pair of electrons to themselves in a colvlent structure
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Other cards in this set

Card 2

Front

Define the term isotope

Back

Atoms of the same element hich have the same number of protons but different number of neutrons.

Card 3

Front

Define the term Relative isotope mass

Back

Preview of the front of card 3

Card 4

Front

Define relative formula mass

Back

Preview of the front of card 4

Card 5

Front

Define a mole

Back

Preview of the front of card 5
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