Chemistry-The discovery of the periodic table Flashcards
1
Q
who discovered the model of current periodic table?
A
Dmitri mendeleev
2
Q
What did Mendeleev do ?
A
Mendeleev ordered the periodic table by atomic weights and similar properties
3
Q
Whay did Mendeleev leave gaps in the periodic table?
A
So he could work out the properties of undiscovered elements based on what he already knew about the arrangement of the periodic table
4
Q
What element is named after Mendeleev
A
Mendelevium
5
Q
Why is alluminum in Group three of the periodic table?
A
It is a metal and has three electrons on its outer shell