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Chemistry OCR F321 > Atoms > Flashcards

Atoms Flashcards

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1
Q

Isotopes

A

Atoms of the same element with different numbers of neutrons and masses.

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2
Q

Relative isotopic mass

A

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

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3
Q

Relative atomic mass

A

The weighted mean mass of an atom of an element compared with 1/12th of the mass of an atom of carbon-12.

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4
Q

Relative formula mass

A

The weighted mean mass of an atom of a formula unit compared with 1/12th of the mass of an atom of carbon-12.

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5
Q

Relative molecular mass

A

The weighted mean mass of a molecule compared with 1/12th of an atom of carbon-12.

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Chemistry OCR F321 (8 decks)

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