periodic table Flashcards
1
Q
Who was Dmitri Mendeleev
A
He was a Russian chemist who developed a periodic table of the chemical elements and predicted the discovery of several new elements (1834-1907)
2
Q
How did Mendeleev organize his periodic table?
A
He organised his periodic table in order of increasing atomic mass, but he left gaps in his table. The groups were organised by increasing atomic mass, whereas the periods were organised based on similar chemical properties
