24 Cr 51.99616

Chromium

TRANSITION METAL

Phase: Solid

Discovered: Louis Nicolas Vauquelin

Block: D

Summary

Chromium is a chemical element with symbol Cr and atomic number 24. It is the first element in Group 6. It is a steely-gray, lustrous, hard and brittle metal which takes a high polish, resists tarnishing, and has a high melting point.

Source: Wikipedia

Physical Properties

Atomic Mass 51.99616 u

Density 7.19 g/cm³

Melting Point 2180 K

Boiling Point 2944 K