Symbol: Cr

Atomic Number: 24

Atomic Weight: 51.996

Chromium (symbol Cr, atomic number 24) is the first element in Group 6 of elements. The other elements in this group are transition elements. They are molybdenum (Mo), tungsten (W), and seaborgium (Sg). Chromium is steely-gray in color, hard, and with a high melting point. It is without taste and odor. The name of this element comes from the Greek word "chroma", which actually means colour. This is because many of the compounds of this element have vibrant colors. The Chinese used this element to coat weapons as far back as two millenniums ago. In the late 18th century, this...Read More