Mock Flashcards
1
Q
How did Mendeleev arrange the elements known at the time
A
Properties and their compounds
2
Q
How did Mendeleev use his table to predict the existence and properties of some elements not yet discovered
A
Work out the atomic mass of missing elements and so predict their properties
3
Q
Why was Mendeleev wrong when he thought he had arranged elements in order of increasing relative atomic mass
A
Not always true due to the relative abundance of isotopes of some pairs in the periodic table
