Other questions in this quiz

2. how do we know that sodium and clorine are both elements?

  • they have a full outer shell of electrons
  • As they are only made up of one type of atom
  • they are only one atom

3. what is it called when two of the same elements have the same masss numbers?

  • an isotope
  • the same
  • a Raine
  • a drouplet

4. what is a compound

  • a group of atoms
  • a substance where two or more atoms are chemicly combined
  • a mixture of elements

5. if the resultan force on a stationary object is zero....

  • the object will mve upwards
  • the object will not move
  • the objeect will move forwards
  • the object will move backwards

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