Early Periodic Table Flashcards
1
Q
How did newlands and Mendeleev attempt to classify the elements
A
Order of atomic weight
2
Q
How can the list be arranged
A
Elements with similar properties in column
3
Q
Why is the table called a periodic table
A
Similar properties occur at regular intervals
4
Q
Name 2 characteristics of early periodic table (prob by newlands)
A
Incomplete
Some elements in inappropriate groups
5
Q
How did Mendeleev overcome some of the tables problems
A
Leaving gaps for elements thought not to be discovered
