Chemistry- Group 1 elements (year 9)

Question 1

Are group 1 elements reactive?

Answer 1

yes, they are reactive and soft metals

Question 2

What are group 1 elements called?

Answer 2

Alkali metals

Question 3

What do all alkali metals have?

Answer 3

one electron in their outer shell

Question 4

What sort of density do alkali metals have?

Answer 4

a low density

Question 5

What is the trend for the alkali metals as you go down the group?

Answer 5

Increasing reactivity, low melting and boiling points

Question 6

What do alkali metals form?

Answer 6

ionic compounds with non metals

Question 7

What do group 1 elements not need?

Answer 7

much energy to lose their one outer shell to form a full outer shell

Question 8

What happens when group 1 elements react with water?

Answer 8

They react vigorously to produce hydrogen gas and metal hydroxides

Question 9

What happens when group 1 elements react with chlorine?

Answer 9

They react vigorously when heated in a chlorine gas to form white metal chloride salts

Question 10

What happens when group 1 elements react with oxygen?

Answer 10

They can react with oxygen to form a metal oxide