15 P Phosphorus 30,974 u

Phosphorus

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الدورة
3
المجموعة
15
الكتلة
p-كتلة
الطور (STP)
Solid

Phosphorus is essential for life, found in DNA, RNA, and ATP. It exists in several allotropic forms including white and red phosphorus.

المظهر: Waxy white (white phosphorus)

الخصائص الفيزيائية

الكتلة الذرية 30.974 u
الكثافة 1.82 g/cm³
نقطة الانصهار 44.2 °C
نقطة الغليان 280.6 °C
الطور عند STP Solid
نصف القطر الذري 98.0 pm

الخصائص الإلكترونية

الكهروسالبية 2.19
طاقة التأين 1011.8 eV
ألفة الإلكترون 72.0 eV
إلكترونات التكافؤ 5

التوزيع الإلكتروني

التهيئة [Ne] 3s² 3p³

Electron Shell Configuration

Phosphorus electron shell configuration P 2e⁻ 8e⁻ 5e⁻

Position in Periodic Table

Phosphorus position in the periodic table P

الاكتشاف

اكتشفه: Hennig Brand
السنة: 1669

Compounds Containing Phosphorus

المزيد من لا فلز

Frequently Asked Questions

What is Phosphorus?
Phosphorus (P) is a chemical element with atomic number 15. It is a solid at standard temperature and pressure, classified as a لا فلز.
What are the key properties of Phosphorus?
Phosphorus has an atomic mass of 30.974 u, density of 1.82 g/cm³, melting point of 44.2°C, boiling point of 280.6°C.
What is the electron configuration of Phosphorus?
The electron configuration of Phosphorus is [Ne] 3s2 3p3. It is in the p-block of the periodic table.
Who discovered Phosphorus?
Phosphorus was discovered by Hennig Brand in 1669.
What is the electronegativity of Phosphorus?
Phosphorus has an electronegativity of 2.19 on the Pauling scale.