Ununennium
hypothetical chemical element with the atomic number 119
en: Ununennium – de: Ununennium – fr: Ununennium | |||
![]() symbol: Uue atomic number: 119 chemical series: alkali metals | |||
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sample | electron shell |
en: Ununennium – de: Ununennium – fr: Ununennium | |||
![]() symbol: Uue atomic number: 119 chemical series: alkali metals | |||
![]() | |||
sample | electron shell |