Periodic table

What are the signs of a chemical reaction?

• Bubbles/gas formed

• Colour change

• Solid formed

• All of the suggestions

Which of the following would speed up a chemical reaction?

• Heating the reaction

• Diluting the acid

• Adding a catalyst

• Making the magnesium piece larger

Which element has the atomic number 1?

• Hydrogen 

• Oxygen 

• Nitrogen 

Oxygen is a metal

• True

• False

Which one of these elements is a member of the alkali metal group?

• Copper

• Potassium

• Silver

• Carbon

Type an element that could be used to make jewellery.

Use your periodic table to help you..

Type an element that you might find to make colourful fireworks. Use your periodic table to help you..

Magnesium oxide is a…

• Element 

• Compound

Complete the word equation.

Copper + Chlorine —> _____________

• Copper oxide

• Copper + Chlorine

• Copper chlorine

• Copper chloride

Bonds hold elements together when they become a compound.

• True 

• False