37 Rb Rubidium 85.468 u

Rubidium

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周期
5
族
1
区块
s-区块
相态 (STP)
Solid

Rubidium is a soft, silvery-white alkali metal that ignites spontaneously in air. It is used in atomic clocks and specialty glass.

物理属性

原子质量 85.468 u
STP相态 Solid

电子属性

电负性 0.82

电子构型

构型 [Kr] 5s¹

Electron Shell Configuration

Rubidium electron shell configuration Rb 2e⁻ 8e⁻ 18e⁻ 8e⁻ 1e⁻

Position in Periodic Table

Rubidium position in the periodic table Rb

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

更多碱金属

3 Li Lithium 11 Na Sodium 19 K Potassium 55 Cs Cesium 87 Fr Francium

Frequently Asked Questions

What is Rubidium?
Rubidium (Rb) is a chemical element with atomic number 37. It is a solid at standard temperature and pressure, classified as a 碱金属.
What are the key properties of Rubidium?
Rubidium has an atomic mass of 85.468 u.
What is the electron configuration of Rubidium?
The electron configuration of Rubidium is [Kr] 5s1. It is in the s-block of the periodic table.
What is the electronegativity of Rubidium?
Rubidium has an electronegativity of 0.82 on the Pauling scale.