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The reason Copper and Chromium have a slighly odd electron configuration is because of stability. By only having 1 electron in the 4s oribtal, Chromium is able to have 1 electron in each of it's 3d orbita...

Atoms are made up of three different types of particle. Protons and neutrons exist in the nucleus, while electrons orbit.

The relative charges of these particles mean that protons are positive whil...

Benzene to nitrobenzene / nitration of benzene. Conditions: concentrated nitric acid and concentrated sulfuric acid. Carried below 50^oC to avoid further substitution of nitro groups

Nitr...