54 Xe Xenon 131,29 u

Xenon

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الدورة
5
المجموعة
18
الكتلة
p-كتلة
الطور (STP)
Gas

Xenon is a noble gas that can form compounds with fluorine and oxygen. It is used in flash lamps, arc lamps, and anesthesia.

About Xenon

Unusual among the noble gases for its measurable chemistry, xenon (Xe) forms stable compounds with fluorine and oxygen despite belonging to group 18. Element 54 lies in period 5 of the p-block, with an atomic mass of 131.29, the closed-shell configuration [Kr] 4d¹⁰ 5s² 5p⁶, and a Pauling electronegativity of 2.6. A dense, colorless gas at standard conditions, xenon produces a brilliant white light when electrically excited, which makes it valuable in photographic flash lamps and high-intensity arc lamps. It also serves as a general anesthetic. Its large, polarizable electron cloud allows the bonding that lighter noble gases resist.

الخصائص الفيزيائية

الكتلة الذرية 131.29 u
الطور عند STP Gas

الخصائص الإلكترونية

الكهروسالبية 2.6

التوزيع الإلكتروني

التهيئة [Kr] 4d¹⁰ 5s² 5p⁶

Electron Shell Configuration

Xenon electron shell configuration Xe 2e⁻ 8e⁻ 18e⁻ 18e⁻ 8e⁻
Electron shell structure of Xenon — electrons per shell.
Shell Electrons
1 (K) 2
2 (L) 8
3 (M) 18
4 (N) 18
5 (O) 8

Position in Periodic Table

Xenon position in the periodic table Xe

الكتلة والدورة

الكتلة

s p d f

الدورة

1 2 3 4 5 6 7

الجدول الدوري

اللانثانيدات الأكتينيدات

التفاعلات المتضمنة لـ Xe

Plutonium-239 Fission

²³⁹Pu + ¹n → ¹³⁴Xe + ¹⁰³Zr + 3¹n

Nuclear

Beta Decay of Iodine-131

¹³¹I → ¹³¹Xe + e⁻ + ν̄ₑ + γ

Nuclear

Compounds Containing Xenon

Xenon Difluoride

XeF₂

المزيد من غاز نبيل

2 He Helium 10 Ne Neon 18 Ar Argon 36 Kr Krypton 86 Rn Radon

Frequently Asked Questions

What is Xenon?
Xenon (Xe) is a chemical element with atomic number 54. It is a gas at standard temperature and pressure, classified as a غاز نبيل.
What are the key properties of Xenon?
Xenon has an atomic mass of 131.29 u.
What is the electron configuration of Xenon?
The electron configuration of Xenon is [Kr] 4d10 5s2 5p6. It is in the p-block of the periodic table.
What is the electronegativity of Xenon?
Xenon has an electronegativity of 2.6 on the Pauling scale.