SC4a - Elements And The Periodic Table Flashcards
1
Q
Who was dimitri mandeleev?
A
A Russian chemist who constructed the periodic table
2
Q
What was different about the way Mendeleev ordered the periodic table to other chemists
A
He didn’t always keep to the order of increasing in atomic mass and he left gaps
3
Q
When did Mendeleev swap the elements positions?
A
If he thought it was more suitable to their chemical properties or compounds
4
Q
Why did Mendeleev leave gaps in the periodic table?
A
As elements would still continue to be discovered
5
Q
What information about the elements did Mendeleev use to produce his first table?
A
Their physical and chemical properties
