24 Cr Chromium 51.996 u

Chromium

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आवर्त
4
समूह
6
ब्लॉक
d-ब्लॉक
अवस्था (STP)
Solid

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

दिखावट: Silvery metallic

भौतिक गुण

परमाणु द्रव्यमान 51.996 u
घनत्व 7.15 g/cm³
गलनांक 1906.8 °C
क्वथनांक 2670.8 °C
STP पर अवस्था Solid
परमाणु त्रिज्या 166.0 pm

इलेक्ट्रॉनिक गुण

विद्युतऋणात्मकता 1.66
आयनीकरण ऊर्जा 652.9 eV
इलेक्ट्रॉन आत्मीयता 64.3 eV
संयोजकता इलेक्ट्रॉन 6

इलेक्ट्रॉन विन्यास

विन्यास [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

खोज

द्वारा खोजा गया: Louis Nicolas Vauquelin
वर्ष: 1797

ब्लॉक और आवर्त

ब्लॉक

आवर्त

आवर्त सारणी

लैंथेनाइड एक्टिनाइड

Compounds Containing Chromium

संक्रमण धातु में और

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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 संक्रमण धातु.
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.