Chemistry Revision

Question 1

Element

Answer 1

A substance that cannot be broken down into other substances

Question 2

Compound

Answer 2

A substance made up of two or more different atoms chemically joined together

Question 3

Mixture

Answer 3

Made up of two or more different substances which are not chemically joined together

Question 4

Give an example of an element

Answer 4

Oxygen, gold, liquid nitrogen

Question 5

Give an example of a compound

Answer 5

Cake, water, iron sulfide, sodium chloride

Question 6

And example of a mixture

Answer 6

Air, rock salt and carbonated water