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AnswerThere are 18 groups across the Periodic Table, and they are numbered 1 through 18.

Group 1:Alkali Metals*

Group 2:Alkaline Earth Metals

Groups 3-12: Transitional Metals

Groups 13&14: Unnamed

Group 15:Pnictogens or Pnicogens)

Group 16: Chalcogens

Group 17: Halogens

Group 18: Noble Gases

*excluding hydrogen (hydrogen is in its own group)

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