The Periodic Table Flashcards
1
Q
What is a group?
A
Columns in which all the elements have the same number of outer electrons
2
Q
What is a period?
A
Horizontal groups of increasing atomic numbers
3
Q
Why do elements in a group have similar chemical properties?
A
They have the same number of outer electrons
4
Q
Describe the physical properties in a group?
A
There is a trend in physical properties
5
Q
Why are the noble gases (group 0) inert?
A
The noble gases are unreactive because they have a full outer shell
