Unbiunium, also known as eka-actinium or element 121, is a hypothetical chemical element; it has symbol Ubu and atomic number 121. Unbiunium and Ubu are...

g-block may have atomic number 121, and thus would have the systematic name unbiunium. Despite many searches, no elements in this region have been synthesized...

beginning with 121 All pages with titles containing 121 12/1 (disambiguation) Unbiunium, a hypothetical chemical element with atomic number 121 This disambiguation...

mobile phones on the Vodafone network The undiscovered chemical element unbiunium has the atomic number 121 The official end score for cribbage The pennant...

expected to follow unbiunium as the second element of the superactinides and the fourth element of the 8th period. Similarly to unbiunium, it is expected...

in Ulaanbaatar, Mongolia Ubu, Nepal, a Village Development Committee Unbiunium, symbol Ubu for '121', a theoretical chemical element Ubu Roi, mascot...

dye, sometimes used in the United States to color the skin of oranges Unbiunium, a hypothetical element This disambiguation page lists articles associated...

known alkali metals from potassium onward. This effect is so large that unbiunium (element 121) is predicted to have a lower ionization energy of 4.45 eV...

860.1 1560 119 Uue ununennium 463.1 1700 120 Ubn unbinilium 563.3 895–  919 121 Ubu unbiunium 429.4 1110 1710 4270 122 Ubb unbibium 545 1090 1848 2520...

Ra ↑ Ubn ↓ — ununennium ← unbinilium → unbiunium...