Unit 1 Module 1

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  • Created by: AminaaD
  • Created on: 02-12-13 12:10
Isotopes
Atoms of the same element with different numbers of neutrons but the same number of protons.
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Relative Atomic Mass
Average weighted mean mass of an atom relative to 1/12 of the mass of a carbon-12 atom.
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Relative Isotopic Mass
The mass of an isotope of an element compared with the mass of 1/12 of an atom of carbon-12.
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Orbital
A region that can hold up to two electrons with opposite spins.
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First Ionisation Energy
The energy required to remove one electron from each atom of 1 mole of gaseous atoms to form one mole of +1 ions.
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Other cards in this set

Card 2

Front

Average weighted mean mass of an atom relative to 1/12 of the mass of a carbon-12 atom.

Back

Relative Atomic Mass

Card 3

Front

The mass of an isotope of an element compared with the mass of 1/12 of an atom of carbon-12.

Back

Preview of the back of card 3

Card 4

Front

A region that can hold up to two electrons with opposite spins.

Back

Preview of the back of card 4

Card 5

Front

The energy required to remove one electron from each atom of 1 mole of gaseous atoms to form one mole of +1 ions.

Back

Preview of the back of card 5

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