More cards in this set

Card 6

Front

Why was Doberiener's theory rejected?

Back

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Card 7

Front

What are octaves?

Back

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Card 8

Front

Which scientist grouped elements in octaves?

Back

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Card 9

Front

Why was Newland's theory rejected by other scientists?

Back

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Card 10

Front

Why did Mendeleev leave gaps in The Periodic Table?

Back

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