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  • Periodic Classification of Elements
  • How many elements are present in the 7 th period of the m...
Multiple choice

How many elements are present in the 7 th period of the modern periodic table?

  1. 27

  2. 28

  3. 26

  4. 29

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

28 elements are present in the long form of the periodic table

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