Developing the Periodic Table Flashcards
1
Q
Who was the person who arranged the Periodic Table?
A
Dmitri Mendeleev
2
Q
In what order did Mendeleev arrange the Periodic Table?
A
in order of increasing atomic weight, grouping together the ones with similar chemical properties
3
Q
Why did Mendeleev swap the positions of tellurium and iodine?
A
He felt this matched their chemical properties better
4
Q
Why did Mendeleev leave various spaces in his iteration of the Periodic Table?
A
for elements he thought existed but were not yet discovered
