Bromine - Periodic Table of Elements

Bromine Facts

  • Name: Bromine
  • Symbol: Br
  • Atomic Number: 35
  • Atomic Weight: 79.904 u
  • Period: 4
  • Group: 17

24 Bromine Facts for Kids

  1. Bromine is a chemical element on the periodic table.
  2. Bromine is a liquid and the third-lightest element in the halogen group.
  3. Bromine has a reddish-brown color in its pure form.
  4. Bromine has an odor that most humans find foul.
  5. The symbol for bromine is Br.
  6. The atomic number for bromine is 35.
  7. The standard atomic weight for bromine is 79.904 u.
  8. Bromine is a liquid at room temperature.
  9. Bromine is in the halogen element category on the periodic table.
  10. Bromine is a period 4 chemical element, which is the fourth row on the periodic table.
  11. Bromine is a group 17 chemical element, which is the halogen group.
  12. Bromine is in the p-block on the periodic table of elements.
  13. The electron configuration for bromine is [Ar] 3d10 4s2 4p5.
  14. The electrons per shell for bromine are 2, 8, 18, 7.
  15. There are two known stable bromine isotopes.
  16. The two stable bromine isotopes are 79Br and 81Br.
  17. The melting point for bromine is 19 °F (-7.2 °C).
  18. The boiling point for bromine is 137.8 °F (58.8 °C).
  19. In 1825, German chemist Carl Jacob Löwig first discovered and isolated bromine.
  20. In 1826, French chemist Antoine Jérôme Balard isolated bromine.
  21. 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.
  22. Bromine is the 46th most abundant element found in the Earth’s crust.
  23. Compounds known as Brominated flame retardants are used to produce flame retardant materials.
  24. The compound xylyl bromide was a poison gas used during World War One.

Additional Resources on the Chemical Element Bromine