24
Cr
Chromium
51.996 u
Chromium
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周期
4
族
6
ブロック
d-ブロック
相 (STP)
Solid
Chromium is a hard, lustrous transition metal prized for its mirror finish. It is essential in stainless steel production and chrome plating.
外観: 銀色の金属
Compounds Containing Chromium
遷移金属 をもっと見る
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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 遷移金属.
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.