Periodic Table Flashcards
1
Q
How did Mendeleev arrange the periodic table
A
Increasing atomic weight
2
Q
Why was Mendeleev’s periodic table widely accepted
A
There were gaps in his table, and using the properties of the elements next to it, he could accurately predict the properties of the unknown element
3
Q
Why did Mendeleev reverse the order of iodine and tellurium
A
Iodine has a lower weight but it has similar properties to chlorine and bromine
4
Q
How is the modern periodic table arranged
A
Rows called periods and columns called groups
5
Q
How is electronic structure and the periodic table leaked
A
Number of shells = Period Number
Number of electrons in outer shell = Group Number
Electrons added together = Atomic Number
6
Q
A
