Group 1 Elements Become More Reactive Down the Group

Question 1

As you go down group 1, the elements become…

Answer 1

More reactive

Question 2

How can you show this?

Answer 2

In the rate of reaction with water

Question 3

How can we tell that lithium is less reactive than potassium or sodium?

Answer 3

It takes longer to react

Question 4

How can we tell potassium is more reactive than lithium or sodium?

Answer 4

It takes the shortest time to react

Question 5

The elements in group 1 get more reactive as…

Answer 5

The atomic number increases

Question 6

Lithium reaction with water?

Answer 6

Move slowly around surface, fizzing, until it disappears

Question 7

Sodium reaction with water?

Answer 7

Fizzes rapidly and moves quickly around surface, may ignite

Question 8

Potassium reaction with water?

Answer 8

Reacts gorgeously, Burns with lilac flame - sometimes explodes