Chemistry EOY Yr 9 Formula Masses Flashcards

1
Q

What is Relative Atomic Mass?

A

Relative Atomic Mass (Ar) is how many times heavier an atom of that element is compared to H)

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2
Q

What is Formula Mass?

A

Formula Mass (Mr). Relative molecular mass: We can work out this value by adding together the Ar’s of all the elements in the compound

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