9 F Fluorine 18,998 u

Fluorine

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Период
2
Группа
17
Блок
p-Блок
Фаза (СТУ)
Gas

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

Внешний вид: Pale yellow gas

Физические свойства

Атомная масса 18.998 u
Плотность 0.001696 g/cm³
Температура плавления -219.7 °C
Температура кипения -188.1 °C
Фаза при СТУ Gas
Атомный радиус 64.0 pm

Электронные свойства

Электроотрицательность 3.98
Энергия ионизации 1681.0 eV
Сродство к электрону 328.0 eV
Валентные электроны 7

Электронная конфигурация

Конфигурация [He] 2s² 2p⁵

Electron Shell Configuration

Fluorine electron shell configuration F 2e⁻ 7e⁻

Position in Periodic Table

Fluorine position in the periodic table F

Открытие

Открыт: Henri Moissan
Год: 1886

Compounds Containing Fluorine

Больше Галоген

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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 галоген.
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.