Other questions in this quiz

2. why are vegatable oils important fuels and food?

  • they provide energy
  • they cook foods faster

3. why is there no overall charge on an atom?

  • mass number can be divided by two
  • number of protons is equal to number of electrons
  • number of protons is equal to the number of neutrons

4. one property of a smart polymer that is different to that of an ordinary polymer

  • it remembers its shape
  • has a double bond
  • it is soft

5. name two sub-atomic particles in the nucleus of an atom

  • neutron and proton
  • proton and electron
  • neutron and electron

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