everyday science MCQ #48521

Which element has the highest atomic number on the standard periodic table?

everyday science MCQ #48521

  1. Question 1

    Q1. Which element has the highest atomic number on the standard periodic table?

    • A) Uranium (U)
    • B) Oganesson (Og)
    • C) Plutonium (Pu)
    • D) Radium (Ra)

    Answer: Oganesson (Og)

    Explanation: Oganesson (Og) has atomic number 118 and is currently the last element on the periodic table; uranium (92) and plutonium (94) are much lower.