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Card 6
Front
During the 19th century, many elements had been discovered but what did scientists not know about?
Back
Card 7
Front
In the 19th century scientist tried to find ways to classify elements based on what?
Back
Card 8
Front
Why did scientists in the 19th century use atomic weights rather than proton numbers to classify the elements?
Back
Card 9
Front
What did Newlands propose in 1863?
Back
Card 10
Front
What did Newlands' law of octaves state?
Back
Card 11
Front
How did Newlands' arrange his table?
Back
Card 12
Front
Why didn't other scientists accept Newlands' ideas?
Back
Card 13
Front
When did Newlands propose his law of octaves?
Back
Card 14
Front
When did Mendeleev produce a better table than Newlands?
Back
Card 15
Front
What was better about Mendeleev's table in comparison to Newlands'?
Back
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