History Of Periodic Table Flashcards
0
Q
What was Mendeleev’s table like:
A
He placed elements with similar chemical properties in the same vertical groups - but he had to leave gaps in his table
1
Q
In 1869 a Russian scientist arranged 50 elements according to their properties in a Table of Elements. He was called:
A
Dmitri Mendeleev
2
Q
Why were the gaps in Mendeleev’s table clever:
A
They predicted the properties of undiscovered elements
