Other questions in this quiz

2. why is the extraction of copper expensive?

  • many steps are involved
  • its a batch process
  • copper is very reactive
  • takes a lots of time

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

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

4. the atomic number of an atom is the number of...

  • protons
  • neutrons
  • electrons

5. compounds formed when non-metals react with metals consist of particles called...

  • double atom
  • ions
  • particles
  • molecule

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