A

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Q. Which of the following is the lightest element?

  • (A) Helium
  • (B) Hydrogen
  • (C) Lithium
  • (D) Carbon
  • Correct Answer - Option(B)
  • Views: 1
  • Filed under category Chemistry
  • Hashtags: NEET
Explanation by: Admin
Hydrogen is the lightest element with atomic number 1 and atomic mass approximately 1 u.

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