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Brandy Balls Posted 15 years ago
Grammar

"Amount of" or "Number"?

I'm conflicted on the use of "amount of" or "number of", or even if I should be conflicted at all.

This is especially with regard to atoms in the current chemistry chapter I'm doing, where the author uses, "The volume of a gas is proportional to the amount of atoms in it", and "This gives us a way of measuring a large amount of atoms". Wouldn't it be better to say "number" since atoms consitute individual elements of a whole (like, 'the number of bricks'), while amount refers to a quantity like, 'the amount of money in one's bank account'?

Are there any guidelines when it comes to "amount of" or "number of"?
  

Top answer

You are right: number is for countable nouns and amount is for uncountable nouns. However informally, many use amount for the former, especially when they are envisioning a single quantity.

  • You are right: number is for countable nouns and amount is for uncountable nouns.
  • However informally, many use amount for the former, especially when they are envisioning a single quantity.
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1 Answers
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You are right: number is for countable nouns and amount is for uncountable nouns. However informally, many use amount for the former, especially when they are envisioning a single quantity.

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