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Chem- Unit 1, Section 2- Amounts Of Substance > Definitions > Flashcards

Definitions Flashcards

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1
Q

Relative atomic mass (Ar)

A

The average mass of an atom of an element compared with 1/12th of the mass of carbon-12

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2
Q

Relative molecular mass (Mr)

A

The average mass of a molecule compared with 1/12th of the mass of carbon-12

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3
Q

Mole

A

Amount of a substance in grams that has the same number of particles as there are atoms in 12 grams of carbon-12

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Chem- Unit 1, Section 2- Amounts Of Substance (5 decks)

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