C Flashcards
1
Q
Periodic
A
Regular repeating patterns
2
Q
Periodic law
A
The chemical and physical properties of elements
3
Q
Period
A
Each horizontal row of elements on a periodic table
4
Q
Group
A
Each colon of elements on the periodic table
5
Q
Alkali metals
A
Metals that are soft enough to cut with a knife
6
Q
Alkaline-earth metals
A
Metals that are not as reactive than alkaline metals because it is more difficult for atoms to dive away two electrons
7
Q
Halogens
A
Very reactive non metals
8
Q
Noble gasses
A
Unreactive non metals
