Dmitry Who by t1LffM


									                                 Dmitri Who?

Name ______________________

Visit this site to answer questions 1-9: CHEMystery

1. Why was it necessary to create a periodic table?

2. What two properties are the modern periodic table based upon?

____________________________ and __________________________.

3. Name the two men credited with the development of the first periodic

tables in 1869? ___________________ and _________________ .

4. Mendeleev’s table was based upon _____________________.

5. The table is called the periodic table because

6. Mendeleev’s periodic law states that __________________________________

7. The modern periodic law states that __________________________________

8. Mendeleev’s table was arranged in rows, called ________, and columns

called ________. Elements of each ________ had similar properties.

9. Why didn’t some elements match perfectly on Mendeleev’s table?
Visit this site to answer question 10: A Quick Look at the History of the Periodic Table

10. For this site, write the contribution of each person toward the development
of the Periodic Table of Elements.

Greek thinkers


John Dalton









Go to LearnAlberta and use Grolier Online to answer questions 11-17.

11. When and where was Dmitri Mendeleev born?

12. How many children were in his family? _____ What place is he in the birth
order? _____

13. Who influenced Mendeleev's work considerably while at the Karlsruhe
Conference in Heidelberg, and how?
14. What were the two main themes that Mendeleev developed while writing
his text book, The Principles of Chemistry?

15. Why did Mendeleev leave gaps in his periodic table? And, were his
predictions correct?

16. Mendeleev was aware of the necessity to use science to solve the problems
of the world. List four ways that Mendeleev helped his country, Russia.

17. What official position did Mendeleev hold until his death in 1907?

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