15 P Phosphorus 30,974 u

Phosphorus

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Период
3
Группа
15
Блок
p-Блок
Фаза (СТУ)
Solid

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

Внешний вид: Waxy white (white phosphorus)

Физические свойства

Атомная масса 30.974 u
Плотность 1.82 g/cm³
Температура плавления 44.2 °C
Температура кипения 280.6 °C
Фаза при СТУ Solid
Атомный радиус 98.0 pm

Электронные свойства

Электроотрицательность 2.19
Энергия ионизации 1011.8 eV
Сродство к электрону 72.0 eV
Валентные электроны 5

Электронная конфигурация

Конфигурация [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

Открытие

Открыт: Hennig Brand
Год: 1669

Compounds Containing Phosphorus

Больше Неметалл

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 неметалл.
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.