Dmitri Mendeleev

1.

Dmitri Mendeleev
The man who made the Periodic Table
Tazeev Georgy Igorevich, 11A

2.

Who was Mendeleev?
• Dmitri Mendeleev was a Russian scientist.
• He was a chemist and a teacher at a university.
• He was born in 1834 in Tobolsk, in Siberia.
• He died in 1907 in Saint Petersburg.

3.

His life
• He was the youngest child in a big family.
• His father was a school teacher.
• His mother had a glass factory.
• He studied in Saint Petersburg.
• Later he became a professor at the university.

4.

The Periodic Table
• In 1869 he made the Periodic Table.
• He put the elements in order.
• Similar elements are in the same column.
• He left empty places for new elements.
Li
Be
B
C
Na
Mg
Al
Si
K
Ca
?
Ti

5.

Why he is famous
• He said that some new elements must exist.
• Later scientists found them: gallium, scandium and germanium.
• Element 101 is called mendelevium. It has his name.
• Today we use his table in every chemistry class.

6.

Thank you for listening!
Tazeev Georgy Igorevich, 11A