99
Es
Einsteinium
252.0 u
Einsteinium
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Cite "Einsteinium"
Einsteinium. (n.d.). In Element. Retrieved from /element/es/
"Einsteinium." Element, /element/es/.
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Period
7
Group
—
Block
f-block
Phase (STP)
Solid
Einsteinium was discovered in the fallout of the first hydrogen bomb test. It is named after Albert Einstein.
More Actinide
Frequently Asked Questions
What is Einsteinium?
Einsteinium (Es) is a chemical element with atomic number 99. It is a solid at standard temperature and pressure, classified as a actinide.
What are the key properties of Einsteinium?
Einsteinium has an atomic mass of 252.0 u.
What is the electron configuration of Einsteinium?
The electron configuration of Einsteinium is [Rn] 5f11 7s2. It is in the f-block of the periodic table.
What is the electronegativity of Einsteinium?
Einsteinium has an electronegativity of 1.3 on the Pauling scale.