everyday science MCQ #48527

What is the lightest element on the periodic table?

everyday science MCQ #48527

  1. Question 1

    Q1. What is the lightest element on the periodic table?

    • A) Helium
    • B) Hydrogen
    • C) Lithium
    • D) Carbon

    Answer: Hydrogen

    Explanation: Hydrogen (H) is the lightest and most abundant element in the universe, with atomic number 1 and atomic mass approximately 1 u.