Question 1:
Give three types of particles that make up a substance.
Give three types of particles that make up a substance.
Answer:
Atoms, molecules and ions
Question 2:
State an example of a substance that is made up of iron in the form of ions.
State an example of a substance that is made up of iron in the form of ions.
Answer:
Rust
Question 3:
Classify the following substances according to the type of particles that they are made up of either atoms, molecules or ions.
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
Answer:
Question 4:
Give two examples of elements that exist in the form of molecules and atoms.
Give two examples of elements that exist in the form of molecules and atoms.
Answer:
