thomas273
thomas273 thomas273
  • 01-11-2019
  • Chemistry
contestada

1. The horizontal columns on the periodic table are called

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funkeyusuff52
funkeyusuff52 funkeyusuff52
  • 01-11-2019

Answer:

Periods

Explanation:

The vertical columns on the periodic table are called groups or families because of their similar chemical behavior. All the members of a family of elements have the same number of valence electrons and similar chemical properties. The horizontal rows on the periodic table are called periods.

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esto4582
esto4582 esto4582
  • 01-11-2019

Answer: rows

Explanation:

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