Group 1 elements

Question 1

What are the group 1 metals called?

Answer 1

• Alkali metals

Question 2

How do alkali metals react with oxygen?

Answer 2

Metal + Oxygen –> Metal oxide

- Shiny silver surface becomes dull

Question 3

How do alkali metals react with water?

Answer 3

Metal + Water –> Metal hydroxide + Hydrogen (gas)

• Lithium: fizzes
• Sodium: vigorously moves
• Potassium: ignites

Question 4

How do the properties of Group 1 elements change going down the group?

Answer 4

• Melting + boiling point decreases

- More reactive

Question 5

What do alkali metals do to have a full outer shell?

Answer 5

• React with non-metals

- Form +1 ion