1.13 Describe how Mendeleev arranged the elements, known at that time, in a periodic table by using properties of these elements and their compounds Flashcards
1
Q
How did he order his table?
A
He ordered his table in order of atomic mass, but not always strictly.
2
Q
What did he do in some places regarding the order?
A
In some places, he changed the order based on atomic weights.
3
Q
What did he do for undiscovered elements?
A
He left gaps for elements that he thought had not been discovered yet.
