How many periods are on the periodic table? - ProProfs Discuss
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How many periods are on the periodic table?



A. 4
B. 7
C. 9

This question is part of Periodic Table Test
Asked by Mrsbumgarner, Last updated: Jan 17, 2020

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2 Answers

John Adney

John Adney

Answered Sep 30, 2017

  • Thereare 7 periods consistedon the periodic table in the elements
 

John Smith

John Smith

Answered Oct 29, 2016

7
 

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