Periodic Table of the Elements: Chromium

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Periodic Table of the Elements: Chromium
Atomic Number:24
Atomic Symbol:Cr
 Chromiumchromium
[Gr.,=color], metallic chemical element; symbol Cr; at. no. 24; at. wt. 51.9961; m.p. about 1,857°C;; b.p. 2,672°C;; sp. gr. about 7.2 at 20°C;; valence +2, +3, +6. Chromium is a silver-gray, lustrous, brittle, hard metal that can be highly polished.
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Atomic Weight:51.9961
Electron Configuration:2 · 8 · 13 · 1
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