99 Es Einsteinium 252.0 u

Einsteinium

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周期
7
族
—
区块
f-区块
相态 (STP)
Solid

Einsteinium was discovered in the fallout of the first hydrogen bomb test. It is named after Albert Einstein.

物理属性

原子质量 252.0 u
STP相态 Solid

电子属性

电负性 1.3

电子构型

构型 [Rn] 5f¹¹ 7s²

Electron Shell Configuration

Einsteinium electron shell configuration Es 2e⁻ 8e⁻ 18e⁻ 32e⁻ 29e⁻ 8e⁻ 2e⁻

Position in Periodic Table

Einsteinium position in the periodic table Es

区块与周期

区块

s p d f

周期

1 2 3 4 5 6 7

元素周期表

镧系元素 锕系元素

更多锕系元素

89 Ac Actinium 90 Th Thorium 91 Pa Protactinium 92 U Uranium 93 Np Neptunium 94 Pu Plutonium 95 Am Americium 96 Cm Curium 97 Bk Berkelium 98 Cf Californium

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 锕系元素.
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.