Other questions in this quiz

2. What is the symbol of these elements; Fluorine, Chlorine, Bromine and Iodine

  • F,Cl,Br,I
  • Po,Ne,He,U
  • C,O,K.Au
  • H,P,S,B

3. What do we use Chlorine for?

  • To help cure infections
  • To cook with
  • To kill bacteria to make water safer to drink
  • To kill funghi

4. What are Polymers?

  • Thermoheating or Thermoheating
  • Thermosoftening or Thermosetting
  • Thermorecycling or Thermosetting
  • Thermohardening or Thermosoftening

5. Fill the gap. Some elements have ..................... isotopes which decay over time.

  • Reactive
  • Radioactive
  • Hydrogen
  • Carbon


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