36 Kr Krypton 83,798 u

Krypton

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الدورة
4
المجموعة
18
الكتلة
p-كتلة
الطور (STP)
Gas

Krypton is a noble gas used in certain fluorescent lamps and photographic flashes. Its spectral lines were once used to define the meter.

المظهر: Colorless gas, white solid

الخصائص الفيزيائية

الكتلة الذرية 83.798 u
الكثافة 0.003749 g/cm³
نقطة الانصهار -157.4 °C
نقطة الغليان -153.2 °C
الطور عند STP Gas
نصف القطر الذري 88.0 pm

الخصائص الإلكترونية

الكهروسالبية 3.0
طاقة التأين 1350.8 eV
إلكترونات التكافؤ 8

التوزيع الإلكتروني

التهيئة [Ar] 3d¹⁰ 4s² 4p⁶

Electron Shell Configuration

Krypton electron shell configuration Kr 2e⁻ 8e⁻ 18e⁻ 8e⁻

Position in Periodic Table

Krypton position in the periodic table Kr

الاكتشاف

اكتشفه: William Ramsay
السنة: 1898

الكتلة والدورة

الكتلة

الدورة

الجدول الدوري

اللانثانيدات الأكتينيدات

المزيد من غاز نبيل

Frequently Asked Questions

What is Krypton?
Krypton (Kr) is a chemical element with atomic number 36. It is a gas at standard temperature and pressure, classified as a غاز نبيل.
What are the key properties of Krypton?
Krypton has an atomic mass of 83.798 u, density of 0.003749 g/cm³, melting point of -157.4°C, boiling point of -153.2°C.
What is the electron configuration of Krypton?
The electron configuration of Krypton is [Ar] 3d10 4s2 4p6. It is in the p-block of the periodic table.
Who discovered Krypton?
Krypton was discovered by William Ramsay in 1898.
What is the electronegativity of Krypton?
Krypton has an electronegativity of 3.0 on the Pauling scale.