Unbiquadium

Unbiquadium is the temporary systematic name assigned to the hypothetical chemical element with atomic number 124. No element with this atomic number has been confirmed.

Atomic number: The number of protons in an atom’s nucleus, which defines its chemical element. The number 124 in Unbiquadium’s designation is its defining nuclear property.
Superheavy element: A chemical element with an atomic number above 103, generally produced in particle accelerators. Element 124 would belong to the superheavy elements if synthesized.
Flerovium: The confirmed chemical element with atomic number 114 and symbol Fl. Flerovium shows how far below element 124 confirmed superheavy-element discoveries currently reach.
Extended periodic table: A proposed arrangement of elements beyond the currently confirmed periodic table. Element 124 would test predictions about how the table continues into the superheavy region.
IUPAC element naming: The international process for approving names and symbols for newly discovered chemical elements. Unbiquadium is a placeholder; confirmed discovery would allow a permanent name to be proposed.
Chemical element: A pure substance whose atoms all have the same number of protons. Unbiquadium would be a distinct element if nuclei with 124 protons were confirmed.
Nuclear fusion: A nuclear reaction in which two atomic nuclei combine to form a heavier nucleus. Fusion of projectile and target nuclei is a possible route to element 124.
Oganesson: The confirmed chemical element with atomic number 118 and symbol Og. Oganesson is the heaviest confirmed element, setting the current boundary below Unbiquadium.
Superheavy element discovery: The experimental identification and confirmation of elements with very high atomic numbers. No accepted discovery of element 124 has established its existence.
Ununennium: The temporary systematic name for the hypothetical chemical element with atomic number 119. It illustrates the same digit-based naming convention for an unconfirmed element.

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