9 F Fluorine 18,998 u

Fluorine

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الدورة
2
المجموعة
17
الكتلة
p-كتلة
الطور (STP)
Gas

Fluorine is the most electronegative and reactive of all elements. It is used in toothpaste, Teflon, and refrigerants.

المظهر: Pale yellow gas

الخصائص الفيزيائية

الكتلة الذرية 18.998 u
الكثافة 0.001696 g/cm³
نقطة الانصهار -219.7 °C
نقطة الغليان -188.1 °C
الطور عند STP Gas
نصف القطر الذري 64.0 pm

الخصائص الإلكترونية

الكهروسالبية 3.98
طاقة التأين 1681.0 eV
ألفة الإلكترون 328.0 eV
إلكترونات التكافؤ 7

التوزيع الإلكتروني

التهيئة [He] 2s² 2p⁵

Electron Shell Configuration

Fluorine electron shell configuration F 2e⁻ 7e⁻

Position in Periodic Table

Fluorine position in the periodic table F

الاكتشاف

اكتشفه: Henri Moissan
السنة: 1886

Compounds Containing Fluorine

المزيد من هالوجين

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Frequently Asked Questions

What is Fluorine?
Fluorine (F) is a chemical element with atomic number 9. It is a gas at standard temperature and pressure, classified as a هالوجين.
What are the key properties of Fluorine?
Fluorine has an atomic mass of 18.998 u, density of 0.001696 g/cm³, melting point of -219.7°C, boiling point of -188.1°C.
What is the electron configuration of Fluorine?
The electron configuration of Fluorine is [He] 2s2 2p5. It is in the p-block of the periodic table.
Who discovered Fluorine?
Fluorine was discovered by Henri Moissan in 1886.
What is the electronegativity of Fluorine?
Fluorine has an electronegativity of 3.98 on the Pauling scale.