Chemistry 9701 · AS & A Level · The Periodic Table: chemical periodicity

The Periodic Table: chemical periodicity — practice question

In the Periodic Table, where would you place the element whose outer electron shell arrangement is $4s^2 4p^3$?

  • AGroup 13, Period 3
  • BGroup 13, Period 4
  • CGroup 15, Period 3
  • DGroup 15, Period 4

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