24 Cr Chromium 51.996 u

Chromium

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주기
4
6
블록
d-블록
상 (표준 상태)
Solid

Chromium is a hard, lustrous transition metal prized for its mirror finish. It is essential in stainless steel production and chrome plating.

외관: 은색 금속

물리적 성질

원자 질량 51.996 u
밀도 7.15 g/cm³
녹는점 1906.8 °C
끓는점 2670.8 °C
표준 상태에서의 상 Solid
원자 반지름 166.0 pm

전자적 성질

전기 음성도 1.66
이온화 에너지 652.9 eV
전자 친화도 64.3 eV
원자가 전자 6

전자 배치

배치 [Ar] 3d⁵ 4s¹

Electron Shell Configuration

Chromium electron shell configuration Cr 2e⁻ 8e⁻ 13e⁻ 1e⁻

Position in Periodic Table

Chromium position in the periodic table Cr

발견

발견자: Louis Nicolas Vauquelin
연도: 1797

Compounds Containing Chromium

더 많은 전이 금속

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Frequently Asked Questions

What is Chromium?
Chromium (Cr) is a chemical element with atomic number 24. It is a solid at standard temperature and pressure, classified as a 전이 금속.
What are the key properties of Chromium?
Chromium has an atomic mass of 51.996 u, density of 7.15 g/cm³, melting point of 1906.8°C, boiling point of 2670.8°C.
What is the electron configuration of Chromium?
The electron configuration of Chromium is [Ar] 3d5 4s1. It is in the d-block of the periodic table.
Who discovered Chromium?
Chromium was discovered by Louis Nicolas Vauquelin in 1797.
What is the electronegativity of Chromium?
Chromium has an electronegativity of 1.66 on the Pauling scale.