Chemistry 0620 · IGCSE · Arrangement of elements

Arrangement of elements — practice question

Elements L and M are in the same group of the Periodic Table. Why do L and M show similar chemical properties?

  • AThey have the same number of electrons in the nucleus.
  • BThey have the same number of electrons in the outer shell.
  • CThey have the same number of neutrons in the nucleus.
  • DThey have the same number of neutrons in the outer shell.

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