Question

What is Cobalt?

Answer 1

Cobalt:

• It is a chemical element that belongs to the transition metal family.
• The symbol of cobalt is $\mathrm{Co}$ and their atomic number is$27$.
• It belongs to the group $9$ and period$4$.
• It is a d-block element and it is metallic in nature.

Uses of cobalt metal:

• It is used in electroplating due to its hardness and resistance to oxidation.
• It is used as a catalyst for the petroleum and chemical industries.
• It is a drying agent for paints.