- Name: Manganese
- Symbol: Mn
- Atomic Number: 25
- Atomic Weight: 54.938044 u
- Period: 4
- Group: 7 (manganese group)
27 Manganese Facts for Kids
- Manganese is a chemical element on the periodic table.
- Manganese is a hard metal that is very brittle and has a silvery metallic color.
- Manganese was discovered, but not isolated by Swedish chemist Carl Wilhelm Scheele in 1774.
- Manganese was first isolated in 1774 by Swedish chemist and metallurgist Johann Gottlieb Gahn.
- The symbol for manganese is Mn.
- The atomic number for manganese is 25.
- The standard atomic weight of manganese is 54.938044 u.
- Manganese is a solid at room temperature.
- Manganese is in the transitional metal element category on the periodic table.
- Manganese is a period 4 chemical element, which is the fourth row on the periodic table.
- Manganese is a group 7 chemical element, which is the manganese group.
- Manganese is in the d-block on the periodic table.
- The electron configuration for manganese is [Ar] 3d5 4s2.
- The electrons per shell for manganese are 2, 8, 13, 2.
- Manganese has one stable isotope.
- Manganese’s one stable isotope is 55Mn.
- The melting point for manganese is 2275 °F (1246 °C).
- The boiling point for manganese is 3742 °F (2061 °C).
- Manganese makes up 0.0950% of the composition of the Earth’s crust.
- The most important source of manganese is the mineral pyrolusite.
- According to the USGA, the world produced 20.9 million tons of manganese in 2018.
- According to the USGA, the largest producer of manganese in 2018 was South Africa with over 6 million tons.
- Based on data from the USGA, South Africa produced over 28% of the world’s supply of manganese in 2018.
- According to the USGA, the worldwide proven reserves for manganese in 2018 was 892 million tons.
- Manganese is an element used to create low-cost stainless steel.
- Manganese is an important element in aluminium alloys.
- Manganese dioxide (MnO2) is used in Portland cement mixtures.
Additional Resources on Manganese
- Manganese (Mn) – Learn more about the chemical element manganese on the Los Alamos National Laboratory website.
- Facts About Manganese – Find more facts about the chemical element manganese on the Live Science website.
- Manganese in Drinking Water – Learn about the health benefits or affects of manganese in drinking water on the WHO website.
- Manganese – Wikipedia – Discover more manganese facts, information and uses on the Wikipedia website.