31 Ga Gallium 69,723 u

Gallium

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Период
4
Группа
13
Блок
p-Блок
Фаза (СТУ)
Solid

Gallium is a soft metal that melts just above room temperature. It is used in semiconductors, LEDs, and solar cells.

Внешний вид: Silvery blue

Физические свойства

Атомная масса 69.723 u
Плотность 5.91 g/cm³
Температура плавления 29.8 °C
Температура кипения 2399.8 °C
Фаза при СТУ Solid
Атомный радиус 136.0 pm

Электронные свойства

Электроотрицательность 1.81
Энергия ионизации 578.8 eV
Сродство к электрону 28.9 eV
Валентные электроны 3

Электронная конфигурация

Конфигурация [Ar] 3d¹⁰ 4s² 4p¹

Electron Shell Configuration

Gallium electron shell configuration Ga 2e⁻ 8e⁻ 18e⁻ 3e⁻

Position in Periodic Table

Gallium position in the periodic table Ga

Открытие

Открыт: Lecoq de Boisbaudran
Год: 1875

Блок и период

Период

Периодическая таблица

Лантаниды Актиниды

Compounds Containing Gallium

Больше Постпереходный металл

Frequently Asked Questions

What is Gallium?
Gallium (Ga) is a chemical element with atomic number 31. It is a solid at standard temperature and pressure, classified as a постпереходный металл.
What are the key properties of Gallium?
Gallium has an atomic mass of 69.723 u, density of 5.91 g/cm³, melting point of 29.8°C, boiling point of 2399.8°C.
What is the electron configuration of Gallium?
The electron configuration of Gallium is [Ar] 3d10 4s2 4p1. It is in the p-block of the periodic table.
Who discovered Gallium?
Gallium was discovered by Lecoq de Boisbaudran in 1875.
What is the electronegativity of Gallium?
Gallium has an electronegativity of 1.81 on the Pauling scale.