level: 8Fc Mendeleev's table
Questions and Answers List
level questions: 8Fc Mendeleev's table
| Question | Answer |
|---|---|
| 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. |