Other questions in this quiz

2. How is a positive ion formed?

  • when an atom joins with another atom
  • when an atom loses one or more electrons
  • when an atom gains one or more electrons

3. What is the mass number of an element?

  • The amount of charge in an element
  • The number of protons and neutrons in an element
  • The number of protons, neutrons and isotopes in an element

4. What is the atomic number of an element?

  • It's weight
  • The number of protons
  • The number of isotopes
  • The number of neutrons

5. What is a ful outer shell?

  • When there is eight electrons in the outer shell
  • When there is eight neutrons in the outer shell
  • When there is eight protons is the outer shell

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