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How many electrons does bromine have?

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Quick Answer

Bromine has an atomic number of 35, which means it has 35 protons and 35 electrons. The two stable isotopes of bromine are Br-79 and Br-81, which contain 44 and 46 neutrons respectively. Bromine is a member of the halogen group and is designated with the chemical symbol "Br."

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Full Answer

Bromine was discovered in 1826 and first manufactured for commercial purposes in 1860. The name comes from the Greek word for "stench" because bromine is a reddish-brown liquid that becomes a foul-smelling vapor at room temperature. It is a toxic element that is corrosive to the skin and irritating to the eyes and throat. Bromine is used to make solvents, fire retardant compounds and purification systems for swimming pools.

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