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level: 8Fc Mendeleev's table

Questions and Answers List

level questions: 8Fc Mendeleev's table

QuestionAnswer
Who created the periodic table?Dmitri Mendeleev
Why did he leave some element spaces blank?Mendeleev knew that more elements would be discovered, so he left gaps in the table for the new elements.
What is the most reactive element with water?Francium, a drop of water can cause a catastrophic explosion. It has been tested but only out in the ocean, hundreds of miles away from any land or people.