Mendeleev
Science: KS3, topic 2.4.3
Mendeleev and the Modern Periodic Table
Dmitri Mendeleev arranged elements into what we now know as the modern periodic table.
Mendeleev
- Dmitri Mendeleev was a Russian scientist.
- He was born in 1834 and died in 1907.
- As a very young man, it was clear he had the potential to go on to greatness.
- At the age of 16, his mother took him to Moscow to enrol in university. They wouldn't accept him so he later enrolled at the university in St. Petersberg.
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The Periodic Table
- In 1869, Mendeleev had knowledge of the 60 known elements.
- He placed them in order of their atomic mass and their properties in what we now know as the periodic table.
- He even left gaps and predicted the properties of the missing elements!
Test yourself on Mendeleev
What was Dmitri Mendeleev's nationality?
For each pair, select the true statement about Dmitri Mendeleev.
What two features did Mendeleev use to arrange the elements in his periodic table?
Why did Mendeleev leave gaps in his periodic table?
Mendeleev knew of 60 elements in 1869 but left gaps in his periodic table. What does this suggest?