Who Is the Heaviest Element on the Periodic Table?

Discover which element holds the title of the heaviest element according to IUPAC, and learn about its properties and atomic number.

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Oganesson (Og), with the atomic number 118, currently stands as the heaviest element recognized by the IUPAC. Its atomic mass significantly exceeds others, making it a standout in the periodic table.

FAQs & Answers

  1. What is the heaviest element on the periodic table? The heaviest element on the periodic table is Oganesson (Og), with the atomic number 118 as recognized by IUPAC.
  2. What are the properties of Oganesson? Oganesson has an extremely high atomic mass and is a synthetic element with unique properties that distinguish it from lighter elements.
  3. How is the heaviest element determined? The heaviest element is determined based on its atomic number and atomic mass as officially recognized by scientific bodies like IUPAC.
  4. Is Oganesson naturally occurring? No, Oganesson is a synthetic element created in laboratories and is not found naturally.

Watch More

For more fascinating insights into the periodic table and chemical elements, explore our related videos on the lightest elements, synthetic elements, and the history behind element discoveries.

  1. Which Is the Heaviest Atom? Discovering Oganesson (Og) with Atomic Number 118 Learn about the heaviest atom, Oganesson (Og), atomic number 118, the synthetic noble gas with the highest atomic mass.
  2. Is Element 118 (Oganesson) a Noble Gas? Discover why element 118, Oganesson, is classified as a noble gas and how its properties differ from other group 18 elements.
  3. Why Is Element 118 (Oganesson) So Rare and Difficult to Study? Discover why element 118, Oganesson, is extremely rare due to its synthetic creation and ultra-short lifespan.
  4. Why Is Oganesson Not Considered a Noble Gas? Explore why oganesson defies typical noble gas properties due to its unique atomic structure and predicted chemical reactivity.