3.1.3 - Compounds

Question 1

Definition of a compound:

Answer 1

. A compound is a substance containing MORE THAN ONE TYPE OF ATOM, CHEMICALLY BONDED together

Question 2

How do you form a compound !?

Answer 2

. Compounds can often be formed by HEATING THEIR ELEMENTS together

Question 3

An example of a compound:

Answer 3

. Zinc + sulfur ➡️ Zinc Sulfide

Question 4

What are the three types of compound !?

Answer 4

. Metallic, (two metals)

. Ionic, (metal and non-metal)

. Covalent, (two non-metals)

Question 5

Ammonium chloride tube:

Answer 5

. Two gases, ammonia and hydrogen chloride DIFFUSE FROM THE ENDS of the sealed tube
- where they meet, the compound AMMONIUM CHLORIDE FORMS A WHITE SMOKE ⬜️💨

Question 6

What would happen if you performed the AMMONIUM CHLORIDE TUBE at a higher temperature !?

Answer 6

. If you HEAT UP the tube, the white smoke FORMS FASTER because the PARTICLES MOVE FASTER and COLLIDE MORE OFTEN.
- it still forms in THE SAME PLACE because both gases diffuse faster

Question 7

What does the AMMONIUM CHLORIDE TUBE show when considering the weight of the gases !?

Answer 7

. It chows that the hydrogen chloride molecules must be heavier, as they diffused slower.