chem

Isotopes
Atoms of the same element with different numbers of neutrons and different masses but the same number of protons
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What is the relative isotopic mass?
The mass of an isotope relative to 1/12th of the mass of an atom of carbon-12
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What is the relative atomic mass?
The weighted mean mass of an atom relative to 1/12th of the mass of an atom of carbon-12
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What is the relative molecular mass?
The average mass of a molecule or formula unit, compared to 1/12th of the mass of an atom of carbon-12
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What is an atomic orbital?
A region around the nucleus that can hold up to two electrons, with opposite spins
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Other cards in this set

Card 2

Front

The mass of an isotope relative to 1/12th of the mass of an atom of carbon-12

Back

What is the relative isotopic mass?

Card 3

Front

The weighted mean mass of an atom relative to 1/12th of the mass of an atom of carbon-12

Back

Preview of the back of card 3

Card 4

Front

The average mass of a molecule or formula unit, compared to 1/12th of the mass of an atom of carbon-12

Back

Preview of the back of card 4

Card 5

Front

A region around the nucleus that can hold up to two electrons, with opposite spins

Back

Preview of the back of card 5

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