rhizoverbBeta
DictionarynobeliumChemical element
noun

nobelium

noh-BEE-lee-um/nəʊˈbiːliəm/

A synthetic radioactive chemical element with atomic number 102.

The periodic-table tile marks nobelium with the symbol No.

An isolated periodic-table tile bearing only the intrinsic chemical symbol No and atomic number 102, paired with a compact accelerator target-and-detector assembly.
Etymology
nobelSwedishAlfred Nobel
+iumEnglishchemical element

Nobelium combines Alfred Nobel’s surname with the conventional element ending -ium. The name honors the chemist and inventor of dynamite rather than describing the element’s radioactive properties.

In context

Science Studio4:22
Nobelium represents the search for the heaviest and most extraordinary atoms that can be forced into existence.
Actinides Explained | Complete Guide to the Radioactive Elements | Chemistry Documentary

More examples

  • Scientists produce tiny amounts of nobelium in a particle accelerator.
  • Every nobelium atom has 102 protons in its nucleus.
  • Nobelium is difficult to study because its isotopes decay quickly.

Forms

nobelium