80 Hg Mercury 200,59 u

Mercury

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Период
6
Группа
12
Блок
d-Блок
Фаза (СТУ)
Liquid

Mercury is the only metallic element that is liquid at room temperature. It was historically used in thermometers and is highly toxic.

About Mercury

Mercury (Hg) is the only metallic element that is liquid at room temperature, a defining peculiarity among the metals. Element 80 occupies group 12 of period 6 in the d-block, with an atomic mass of 200.59, the electron configuration [Xe] 4f¹⁴ 5d¹⁰ 6s², and a Pauling electronegativity of 2.0. Its liquid state and uniform thermal expansion long made mercury the working fluid of thermometers and barometers, and it saw wide use in switches and fluorescent lighting. These applications have declined sharply, however, because mercury and its compounds are highly toxic and accumulate in the environment. The dense, silvery liquid is the heaviest member of group 12.

Физические свойства

Атомная масса 200.59 u
Фаза при СТУ Liquid

Электронные свойства

Электроотрицательность 2.0

Электронная конфигурация

Конфигурация [Xe] 4f¹⁴ 5d¹⁰ 6s²

Electron Shell Configuration

Mercury electron shell configuration Hg 2e⁻ 8e⁻ 18e⁻ 32e⁻ 18e⁻ 2e⁻
Electron shell structure of Mercury — electrons per shell.
Shell Electrons
1 (K) 2
2 (L) 8
3 (M) 18
4 (N) 32
5 (O) 18
6 (P) 2

Position in Periodic Table

Mercury position in the periodic table Hg

Блок и период

Блок

s p d f

Период

1 2 3 4 5 6 7

Периодическая таблица

Лантаниды Актиниды

Реакции с Hg

Thermal Decomposition of Mercury(II) Oxide

2HgO → 2Hg + O₂

Decomposition

Compounds Containing Mercury

Mercury(II) Sulfide

HgS

Mercury(I) Chloride

Hg₂Cl₂

Больше Переходный металл

21 Sc Scandium 22 Ti Titanium 23 V Vanadium 24 Cr Chromium 25 Mn Manganese 26 Fe Iron 27 Co Cobalt 28 Ni Nickel 29 Cu Copper 30 Zn Zinc

Frequently Asked Questions

What is Mercury?
Mercury (Hg) is a chemical element with atomic number 80. It is a liquid at standard temperature and pressure, classified as a переходный металл.
What are the key properties of Mercury?
Mercury has an atomic mass of 200.59 u.
What is the electron configuration of Mercury?
The electron configuration of Mercury is [Xe] 4f14 5d10 6s2. It is in the d-block of the periodic table.
What is the electronegativity of Mercury?
Mercury has an electronegativity of 2.0 on the Pauling scale.