Periodic table of elements

99 - Einsteinium [Es]

99: Einsteinium - Ensteinium [Es]
Group: 3
Period: 7
Atomic number: 99
Atomic mass: 252
Configuration: [Rn] 5f117s2
Ionization energy: 6.3676 eV
Electronic term: 5I15/2
Electronegativity: 1.3

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