Questions | Answers |
---|---|
Where was Mendeleev from? | Siberia, Russia |
When was Mendeleev's table published? | 1869 |
Mendeleev put his table together by | sorting cards |
How many elements had been discovered when Mendeleev made his table? | 63 |
How many elements do you think there are on the periodic table now? | 118 |
How did Mendeleev sort the cards? | By their physical properties. |
Was Mendeleev the only scientist to try to make a table of the elements? | no |