37 Rb Rubidium 85,468 u

Rubidium

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الدورة
5
المجموعة
1
الكتلة
s-كتلة
الطور (STP)
Solid

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

الخصائص الفيزيائية

الكتلة الذرية 85.468 u
الطور عند STP Solid

الخصائص الإلكترونية

الكهروسالبية 0.82

التوزيع الإلكتروني

التهيئة [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

الكتلة والدورة

الكتلة

s p d f

الدورة

1 2 3 4 5 6 7

الجدول الدوري

اللانثانيدات الأكتينيدات

المزيد من فلز قلوي

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 فلز قلوي.
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.