Formative Practice 8.1 – Form 4 Science (KSSM) Chapter 8

Question 1:
Give three types of particles that make up a substance.

Atoms, molecules and ions

Question 2:
State an example of a substance that is made up of iron in the form of ions.


Question 3:
Classify the following substances according to the type of particles that they are made up of either atoms, molecules or ions.

Iron sheets, ice cubes, common salt, sugar cubes, marbles, copper wire, limewater, oxygen gas, helium gas


Question 4:
Give two examples of elements that exist in the form of molecules and atoms.


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