Group 1

Question 1

What is the group 1

Answer 1

Alkali metals

Question 2

What is the trend

Answer 2

Increase in

• reactivity
• outer electron easily lost
• shells
• higher relative atomic mass

Decrease in
-melting and boiling points

Question 3

What are the group one elements

Answer 3

Li
Na
K
Rb
Cs
Fr

Question 4

Properties of these metals

Answer 4

• soft
• low density ( less dense than water)
• one electron on outer shell