Chemical Formula: Mo/Cr
Catalog Number: ST0098
CAS Number: 7439-98-7 | 7440
Purity: 99.9%, 99.95%
Shape: Discs, Plates, Column Targets, Step Targets, Custom-made
Chromium is a chemical element originated from the Greek ‘chroma’, meaning colour. It was early used before 1 AD and discovered by Terracotta Army. “Cr” is the canonical chemical symbol of chromium. Its atomic number in the periodic table of elements is 24 with location at Period 4 and Group 6, belonging to the d-block. The relative atomic mass of chromium is 51.9961(6) Dalton, the number in the brackets indicating the uncertainty.