The Reactivity Series- Chemistry Paper 1

Question 1

What do metals react with oxygen to form?

Answer 1

Metal oxides

Question 2

What charge do oxides always have?

Answer 2

.

Question 3

What charge do group 1 metals make?

Answer 3

A 1+ charge

Question 4

What charge do group 2 metals always make ?

Answer 4

A 2+ charge

Question 5

What charge does an oxide have ?

Answer 5

.

Question 6

Sodium + Oxygen ->

Answer 6

Sodium oxide

Question 7

Lithium + oxygen->

Answer 7

Lithium oxide

Question 8

What is oxidation ?

Answer 8

The process of an element or compound gaining oxygen, and losing hydrogen. Electrons are also lost

Question 9

What is reduction ?

Answer 9

The process of an element or compound losing oxygen and gaining hydrogen. Electrons are also gained.

Question 10

Metal + water ->

Answer 10

Metal hydroxide + hydrogen

Question 11

Are the group 1 metals reactive?

Answer 11

Yes, they are very reactive

Question 12

How do metals react with water?

Answer 12

They react violently and the Reactivity increases going down group 1 .

Question 13

Name all the metals in group 1 , in order of least reactive to most reactive.

Answer 13

Lithium , sodium , potassium, rubidium, caesium, francium

Question 14

Do transition metals usually react with water ?

Answer 14

No, they’re mostly un-reactive

Question 15

Calcium + water ->

Answer 15

Calcium hydroxide + hydrogen

Question 16

Potassium + water ->

Answer 16

Potassium hydroxide + hydrogen

Question 17

Name what can be seen during the reaction of lithium and water

Answer 17

• lithium floats and gives off hydrogen gas

- Effervescence

Question 18

Name what can be seen during the reaction of sodium and water

Answer 18

• Sodium floats and gives off hydrogen gas
• The sodium melts
• Effervescence

Question 19

Name what can be seen during the reaction of potassium and water

Answer 19

• The potassium catches fire

- The potassium burns a purple flame

Question 20

Name what can be seen during the reaction of rubidium and water

Answer 20

• Rubidium explodes on contact with the water
• Visible smoke
• Red flame

Question 21

Name what can be seen during the reaction of caesium and water

Answer 21

A much bigger flame than rubidium’s reaction

Question 22

What is a mnemonic for the group 1 metals?

Answer 22

Little Snakes Perform Rare Cartwheels Frequently