General knowledgeAsked by Anonymous23 Oct 2026, 8:48 AM ISTUpdated
In one line
The heaviest element discovered so far is oganesson (Og).
The periodic table
Loading the table of all 118 elements…
Oganesson (Og) is the heaviest element discovered so far, with atomic number 118.
The rule
The heaviest element means the one with the highest atomic number and atomic mass found so far.
Let's understand it simply
Imagine a big family where each new member is heavier than the last. In the periodic table, each new element usually has more protons and neutrons, making it heavier. Oganesson is the last and heaviest member discovered till now.
Remember it
Oganesson (Og) is number 118 and is the heaviest element known.
Quick recap
Oganesson (Og) is the heaviest element discovered.
