Kromo (Cr) is a chemical element belonging to the category Transition metal, with atomic number 24 and atomic mass 51.9960 u. This sheet describes its fundamental properties, periodic position and physical characteristics.
Stays within its layerAstronomy
Neighbourhood in the graph
Above, what contains it; below, what it contains; on the right, what links it to another layer.
Astronomy · Chemical element
Chromium
ELO
Identity
Name: Kromo
Symbol: Cr
Atomic number: 24
Atomic mass: 51.9960 u
Position in the periodic table
Group: 6
Period: 4
Category: Transition metal
Physico-chemical properties
Standard state: Solid
Melting point: High (about 1907°C)
Density: 7.19 g/cm³
Electron configuration: [Ar] 3d⁵ 4s¹
Scientific description
Kromo is a chemical element with symbol Cr and atomic number 24.
It belongs to the category of Transition metal and occupies group 6 and period 4.
Its standard atomic mass is 51.9960 u.