Chromium has 24 protons. It also has 28 neutrons. And 24 electrons. It's electron configuration model is [Ar] 3d 4s. It's state of matter is solid. It's density is 7140 kg/m. It's melting point is 1907 degrees Celsius. It's boiling point is 2671 degrees Celsius. Its color is a pretty sliver steel-gray. It's group is the transition metals.

Chromium information

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Chromium was discovered by Vauquelin in 1797. In 1798, Vauquelin discovered that he could isolate metallic chromium by heating the oxide in a charcoal oven. He was also able to detect traces of chromium in precious gems, such as ruby, or emerald. This element can be found in the following places: Zimbabwe, Russia, New Zealand, Turkey, Iran, Albania, Finland, Democratic Republic of Madagascar, and the Phillippines.