More cards in this set

Card 6

Front

How were the gases found?

Back

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Card 7

Front

What did chemists hypothesise about nitrogen?

Back

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Card 8

Front

What did scientists gradually discover?

Back

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Card 9

Front

What is argon used to provide?

Back

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Card 10

Front

What is helium used in?

Back

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Card 11

Front

What happens to the boiling points and the densities of noble gases as you move down what?

Back

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