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WorksheetsTopic 2.1.1 Matter: Element and Compound
Total questions: 7
Worksheet time: 5mins
Which of the following chemical are elements?
Hydrogen, H
Carbon dioxide, CO2
Aluminium, Al
Hydrochloric acid, HCl
Which of the following statements are true about solid matter?
Particles are closely packed in an orderly manner.
Kinetic energy of particles is high.
Particles can vibrate, rotate and move freely.
The attraction force between particles is strong.
Which of the following are atoms?
Oxygen, O
Boron, B
Nitrogen gas, N2
Fluorine gas, F2
Which of the following are molecules?
Tetrachloromethane, CCl4
Hydrogen peroxide, H2O2
Sodium, Na
Chlorine gas, Cl2
Which of the following are ions?
Calcium, Ca in CaCl2
Carbon, C in CCl4
Aluminium, Al in Al2O3
Hydrogen, H in H2O
Which of the following process involved in heat energy is being absorbed?
Sublimation
Deposition
Condensation
Boiling
Which of the following process involved in heat energy is being released?
Deposition
Freezing
Condensation
Melting
