Chemistry 5070 · O Level · Atomic structure and the Periodic Table

Atomic structure and the Periodic Table — practice question

Three separate elements react by giving up electrons. The ions produced each have the electronic configuration $2,8$. Which statement about these elements is correct?

  • AThey are in the same group.
  • BThey are in the same period.
  • CThey are noble gases.
  • DThey are transition elements.

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