10 Ne Neon 20,18 u

Neon

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Период
2
Группа
18
Блок
p-Блок
Фаза (СТУ)
Gas

Neon is a noble gas known for its bright reddish-orange glow in neon signs. It is the fifth most abundant element in the universe.

Внешний вид: Colorless gas (reddish-orange glow in discharge)

Физические свойства

Атомная масса 20.18 u
Плотность 0.0008999 g/cm³
Температура плавления -248.6 °C
Температура кипения -246.0 °C
Фаза при СТУ Gas
Атомный радиус 38.0 pm

Электронные свойства

Энергия ионизации 2080.7 eV
Валентные электроны 8

Электронная конфигурация

Конфигурация [He] 2s² 2p⁶

Electron Shell Configuration

Neon electron shell configuration Ne 2e⁻ 8e⁻

Position in Periodic Table

Neon position in the periodic table Ne

Открытие

Открыт: William Ramsay
Год: 1898

Блок и период

Период

Периодическая таблица

Лантаниды Актиниды

Больше Благородный газ

Frequently Asked Questions

What is Neon?
Neon (Ne) is a chemical element with atomic number 10. It is a gas at standard temperature and pressure, classified as a благородный газ.
What are the key properties of Neon?
Neon has an atomic mass of 20.18 u, density of 0.0008999 g/cm³, melting point of -248.6°C, boiling point of -246.0°C.
What is the electron configuration of Neon?
The electron configuration of Neon is [He] 2s2 2p6. It is in the p-block of the periodic table.
Who discovered Neon?
Neon was discovered by William Ramsay in 1898.