The first periodic table
The first periodic table was discovered in 1896 in Petersburg, Russia by Dmitri Mendeleev.
5 facts about Dmitri Mendeleev
- Dmitri organized the periodic table by the increase of atomic mass of elements
- Mendeleev put the similar elements in a horizontal line but it was changed later
- When looking at the elements he noticed (at that time there were only 63) a pattern that repeated itself after a certain amount of elements
- Mendeleev's discovery of the periodic table is important because its something that we still use to this day and helps us determine specific things about elements.
- When Mendeleev was creating the periodic table he left some blank spaces because he predicted that more elements would be discovered.
4 random facts about Men
- Mendeleev's dad went blind and died when he was a child
- his mom was diagnosed with tuberculosis and so was he and his mom died when he was a child but he didn't
- in 1836 his sister convinced him to marry someone he didn't love and see had a boy and a girl
- Dmitri was born on February 7, 1834 and died on January 20,1907
Mendeleev's periodic ta