Back to quiz

6. The right side of the periodic table contains these.

  • metals
  • non-metals
  • isotopes

7. Different forms of the element which have the same number of protons but a different neumber of neutrons.

  • isotopes
  • elements
  • particles

8. The creator the periodic table left these as he realised there were undiscovered elements that should be in them.

  • gaps
  • elements
  • halogens

9. The creator of the periodic table.

  • Mendeleev
  • Hubble
  • Mendle

10. In the centre of the atom, contains protons and neutrons.

  • nucleus
  • electrons
  • box

11. neutral (or no charge) particle.

  • electron
  • neutron
  • proton

12. Electrons occupy these and they are sometimes called shells.

  • electron levels
  • energy levels
  • energy shells

13. The total number of protons and neutrons in the element.

  • mass number
  • atomic number
  • weight number

14. The number that shows the amount of protons (and electrons) in an element.

  • atomic number
  • mass number
  • atom number

15. They have a negative charge and move around the nucleus in shells.

  • electrons
  • protons
  • neutrons

16. The name of group 7 in the periodic table.

  • halogens
  • alkali metals
  • noble gases