As with nickel, cobalt is found in the Earth's crust only in a chemically combined form, save for small deposits found in alloys of natural meteoric iron. The free element, produced by reductive smelting, is …

Nov 27, 2025 · cobalt (Co), chemical element, ferromagnetic metal of Group 9 (VIIIb) of the periodic table, used especially for heat -resistant and magnetic alloys.

Element Cobalt (Co), Group 9, Atomic Number 27, d-block, Mass 58.933. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

Cobalt is a chemical element with the symbol Co and atomic number 27. It is a part of the transition metals group and can be found naturally in the earth's crust in various mineral forms. This silver …

Since ancient times cobalt compounds have been used to produce blue glass and ceramics. The element was first isolated by Swedish chemist George Brandt in 1735. He showed it was the …

Cobalt is a critical and essential element used across various sectors of the global economy: electronics, automotive, aerospace, and healthcare.

Cobalt (pronunciation: KO-bolt) is a hard, lustrous silvery-blue element belonging to the group of transition metals, and it is represented by the chemical symbol Co [1, 2, 3]. It is chemically active and …

Jan 21, 2025 · With detailed examples, we’ll explore how cobalt’s unique properties fuel advancements in electronics, healthcare, and sustainable energy. Dive into the vibrant world of cobalt and discover …

Cobalt blue is a blue pigment made by sintering cobalt (II) oxide with aluminium (III) oxide (alumina) at 1200 °C. Chemically, cobalt blue pigment is cobalt (II) oxide-aluminium oxide, or cobalt (II) …

People need cobalt compounds in small amounts, but cobalt is toxic in large quantities. Sometimes cobalt compounds were added to beer, and people that drank it were poisoned.