Einsteinium has an atomic number of 99, meaning each atom contains 99 protons in its nucleus.
The standard atomic weight of einsteinium is [252] u (unified atomic mass units).
Einsteinium is classified as a actinide.
Einsteinium is a solid at 20 Β°C (68 Β°F).
The melting point of einsteinium is 859.85 Β°C / 1133 K.
The density of einsteinium is 8.84 g/cmΒ³ (20Β°C).
Einsteinium has a Pauling electronegativity of 1.3.
The electron configuration of einsteinium is [Rn] 5f11 7s2.
Einsteinium commonly exhibits the following oxidation states: +3.
Einsteinium was discovered in 1952 by Albert Ghiorso and team.
Einsteinium is a synthetic radioactive element that does not occur naturally and must be produced in a laboratory.
No biological role.
Einsteinium is used for: Scientific research.