55
Cs
Cesium
132,91 u
Cesium
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Chu kỳ
6
Nhóm
1
Khối
s-khối
Pha (STP)
Solid
Cesium is the most electropositive stable element. It is used in atomic clocks, which define the second in the SI system.
Thêm Kim Loại Kiềm
Frequently Asked Questions
What is Cesium?
Cesium (Cs) is a chemical element with atomic number 55. It is a solid at standard temperature and pressure, classified as a kim loại kiềm.
What are the key properties of Cesium?
Cesium has an atomic mass of 132.91 u.
What is the electron configuration of Cesium?
The electron configuration of Cesium is [Xe] 6s1. It is in the s-block of the periodic table.
What is the electronegativity of Cesium?
Cesium has an electronegativity of 0.79 on the Pauling scale.