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What is the electron configuration for chromium?

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Quick Answer

The electron configuration of chromium is [Ar] 3d5 4s1. The symbol Ar in the electron configuration stands for argon, which has a stable electron configuration. Chromium has six valence electrons.

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The atomic number of chromium is 24, which means that it has 24 electrons. It has six electrons in the last orbit. Chromium forms electropositive ions by losing electrons during the formation of ionic compounds. The atomic weight of chromium is 51.9961 atomic mass units or grams per mole. It is a transition metal and is placed in Group 6 and the d-block of the Periodic Table of Elements. The density of chromium is 7.19 grams per cubic centimeter at room temperature. It is a solid at room temperature. It has a melting point of 1,907 degrees Celsius.

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