- Cobalt - Wikipedia
Cobalt Cobalt is a chemical element; it has symbol Co and atomic number 27 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 a hard, lustrous, somewhat brittle, gray metal
- 钴 - 维基百科，自由的百科全书
鈷 ɡǔ （英語： Cobalt），是一種 化學元素， 化學符號 为 Co， 原子序數 为27， 原子量 為 58 933 195 u。 鈷和鎳一樣，在 地殼 中只能有化合物形式，以少量沉澱於 隕鐵 （Meteoric iron）的方式儲存。
- Cobalt | Uses, Properties, Facts | Britannica
Cobalt, metallic chemical element, one of the transition elements, atomic number 27 The metal is used especially for heat-resistant and magnetic alloys A relatively large percentage of the world’s production goes into magnetic alloys such as the Alnicos for permanent magnets
- Cobalt - Element information, properties and uses | Periodic Table
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 | Co (Element) - PubChem
Cobalt is a brittle, hard metal, resembling iron and nickel in appearance It has a metallic permeability of about two thirds that of iron Cobalt tends to exist as a mixture of two allotropes over a wide temperature range The transformation is sluggish and accounts in part for the wide variation in reported data on physical properties of cobalt
- Cobalt Definition, Facts, Symbol, Discovery, Property, Uses
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]
- Cobalt | History, Uses, Facts, Physical Chemical Characteristics
Cobalt is transition metal and was discovered in pure form in 1735 It is essential part of vitamin B12 Its compounds are known as cobalt blue used to color pottery and glass
- Cobalt - New World Encyclopedia
Cobalt (chemical symbol Co, atomic number 27) is a hard, lustrous, silver-gray metal It is found in various ores and is important as a trace element in the human body
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