Periodic Table IMPORTANT Flashcards
1
Q
How many periods does the Periodic Table have?
A
7
2
Q
How many groups (families) are in the Periodic Table?
A
18
3
Q
Who is credited with the creation of the Periodic Table?
A
Dmitri Mandaleev
4
Q
Elements in the same period have the ____________
A
same number of electron orbitals