36 Kr Krypton 83,798 u

Krypton

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Период
4
Группа
18
Блок
p-Блок
Фаза (СТУ)
Gas

Krypton is a noble gas used in certain fluorescent lamps and photographic flashes. Its spectral lines were once used to define the meter.

Внешний вид: Colorless gas, white solid

Физические свойства

Атомная масса 83.798 u
Плотность 0.003749 g/cm³
Температура плавления -157.4 °C
Температура кипения -153.2 °C
Фаза при СТУ Gas
Атомный радиус 88.0 pm

Электронные свойства

Электроотрицательность 3.0
Энергия ионизации 1350.8 eV
Валентные электроны 8

Электронная конфигурация

Конфигурация [Ar] 3d¹⁰ 4s² 4p⁶

Electron Shell Configuration

Krypton electron shell configuration Kr 2e⁻ 8e⁻ 18e⁻ 8e⁻

Position in Periodic Table

Krypton position in the periodic table Kr

Открытие

Открыт: William Ramsay
Год: 1898

Блок и период

Период

Периодическая таблица

Лантаниды Актиниды

Больше Благородный газ

Frequently Asked Questions

What is Krypton?
Krypton (Kr) is a chemical element with atomic number 36. It is a gas at standard temperature and pressure, classified as a благородный газ.
What are the key properties of Krypton?
Krypton has an atomic mass of 83.798 u, density of 0.003749 g/cm³, melting point of -157.4°C, boiling point of -153.2°C.
What is the electron configuration of Krypton?
The electron configuration of Krypton is [Ar] 3d10 4s2 4p6. It is in the p-block of the periodic table.
Who discovered Krypton?
Krypton was discovered by William Ramsay in 1898.
What is the electronegativity of Krypton?
Krypton has an electronegativity of 3.0 on the Pauling scale.