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Which element on the periodic table has the largest atomic number?

1 Answer

2 votes

Answer:

Oganesson

Oganesson has the highest atomic number and highest atomic mass of all known elements. The radioactive oganesson atom is very unstable, and since 2005, only five (possibly six) atoms of the isotope 294Og have been detected.

Step-by-step explanation:

User Marcel Bochtler
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