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- Name: Bromine
- Symbol: Br
- Atomic Number: 35
- Atomic Weight: 79.904 u
- Period: 4
- Group: 17
24 Bromine Facts for Kids
- Bromine is a chemical element on the periodic table.
- Bromine is a liquid and the third-lightest element in the halogen group.
- Bromine has a reddish-brown color in its pure form.
- Bromine has an odor that most humans find foul.
- The symbol for bromine is Br.
- The atomic number for bromine is 35.
- The standard atomic weight for bromine is 79.904 u.
- Bromine is a liquid at room temperature.
- Bromine is in the halogen element category on the periodic table.
- Bromine is a period 4 chemical element, which is the fourth row on the periodic table.
- Bromine is a group 17 chemical element, which is the halogen group.
- Bromine is in the p-block on the periodic table of elements.
- The electron configuration for bromine is [Ar] 3d10 4s2 4p5.
- The electrons per shell for bromine are 2, 8, 18, 7.
- There are two known stable bromine isotopes.
- The two stable bromine isotopes are 79Br and 81Br.
- The melting point for bromine is 19 °F (-7.2 °C).
- The boiling point for bromine is 137.8 °F (58.8 °C).
- In 1825, German chemist Carl Jacob Löwig first discovered and isolated bromine.
- In 1826, French chemist Antoine Jérôme Balard isolated bromine.
- Both Carl Jacob Löwig and Antoine Jérôme Balard are considered discovers of bromine. Löwig technically isolated it before Balard, but due to a delayed publication Balard was the first to publish the discovery of bromine.
- Bromine is the 46th most abundant element found in the Earth’s crust.
- Compounds known as Brominated flame retardants are used to produce flame retardant materials.
- The compound xylyl bromide was a poison gas used during World War One.
Additional Resources on the Chemical Element Bromine
- Bromine – Learn more about the chemical element bromine on the U.S. National Library of Medicine website.
- Bromine (Br) – Discover more facts about bromine on the Royal Society of Chemistry website.
- Bromine – Wikipedia – Find more bromine facts on the Wikipedia website.