The Periodic Table - Manganese

Manganese Facts

  • Name: Manganese
  • Symbol: Mn
  • Atomic Number: 25
  • Atomic Weight: 54.938044 u
  • Period: 4
  • Group: 7 (manganese group)

27 Manganese Facts for Kids

  1. Manganese is a chemical element on the periodic table.
  2. Manganese is a hard metal that is very brittle and has a silvery metallic color.
  3. Manganese was discovered, but not isolated by Swedish chemist Carl Wilhelm Scheele in 1774.
  4. Manganese was first isolated in 1774 by Swedish chemist and metallurgist Johann Gottlieb Gahn.
  5. The symbol for manganese is Mn.
  6. The atomic number for manganese is 25.
  7. The standard atomic weight of manganese is 54.938044 u.
  8. Manganese is a solid at room temperature.
  9. Manganese is in the transitional metal element category on the periodic table.
  10. Manganese is a period 4 chemical element, which is the fourth row on the periodic table.
  11. Manganese is a group 7 chemical element, which is the manganese group.
  12. Manganese is in the d-block on the periodic table.
  13. The electron configuration for manganese is [Ar] 3d5 4s2.
  14. The electrons per shell for manganese are 2, 8, 13, 2.
  15. Manganese has one stable isotope.
  16. Manganese’s one stable isotope is 55Mn.
  17. The melting point for manganese is 2275 °F (1246 °C).
  18. The boiling point for manganese is 3742 °F (2061 °C).
  19. Manganese makes up 0.0950% of the composition of the Earth’s crust.
  20. The most important source of manganese is the mineral pyrolusite.
  21. According to the USGA, the world produced 20.9 million tons of manganese in 2018.
  22. According to the USGA, the largest producer of manganese in 2018 was South Africa with over 6 million tons.
  23. Based on data from the USGA, South Africa produced over 28% of the world’s supply of manganese in 2018.
  24. According to the USGA, the worldwide proven reserves for manganese in 2018 was 892 million tons.
  25. Manganese is an element used to create low-cost stainless steel.
  26. Manganese is an important element in aluminium alloys.
  27. Manganese dioxide (MnO2) is used in Portland cement mixtures.

Additional Resources on Manganese