Periodic Table Flashcards
1
Q
What are the 4 main element groups?
A
Alkali metals, alkaline earth metals, halogens, noble gases
2
Q
Describe alkali metals.
A
Highly reactive, low melting points, soft
3
Q
Describe alkaline earth metals.
A
Less reactive than alkali metals, react with water
4
Q
Describe halogens.
A
Non-metal, highly reactive
5
Q
Describe noble gases.
A
The most stable and unreactive elements,
At room temperature: colorless, odorless