Cobalt: Difference between revisions
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[[File:Cobalt(II)-chloride-hexahydrate-sample.jpg|thumb|Cobalt(II) chloride with water]]
[[File:Cobalt(II) chloride.jpg|right|thumb|Cobalt(II) chloride without water]]
Cobalt is a [[transition metal]]. It is shiny and conducts electricity. It is [[magnet]]ic. It is a hard metal. It is moderately [[chemical reaction|reactive]]. [[Iron]] is more reactive and [[copper]] is less reactive. It dissolves slowly in [[acid]]s. This reaction makes [[hydrogen]] and a [[salt]] of cobalt. Cobalt is normally in its +2 [[oxidation state]] as an [[ion]]. Some [[chemical compound]]s
===Chemical compounds===
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