Other questions in this quiz

2. where is the nucleus?

  • there isnt a nucleus
  • in the middle of the atom
  • on the right hand side
  • on the left hand side

3. if electrons are removed from an atom, the atom becomes charged and is known as an...

  • ion
  • protons
  • nucleus

4. when water is added to calcium oxide what is produced?

  • calcium hydroxide
  • calcium carbonate
  • oxygen

5. what are two new methods of extracting copper?

  • bioleaching and phytomining
  • phytoleaching
  • biomining
  • bioleaching

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