The modern periodic table Flashcards
1
Q
What is a horizontal row called?
A
A horizontal row is called a period
2
Q
What is a vertical row called?
A
A vertical row is called a group
3
Q
What side are metals on?
A
They are on the left hand side and non-metals are on the right
4
Q
What does a group show?
A
A group shows how many electrons are in the outer shell
5
Q
What does a period show?
A
A period shows how many shells a element has
6
Q
What did Mendeleev do?
A
Mendeleev arranged the all the elements in order of the atomic mass
