Vi fant 1 definisjoner av atomic number 25 på engelsk.
Noun |
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| atomic number 25 - a hard brittle grey polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals | ||
| manganese, Mn | ||
| metallic element, metal any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. | ||
| hausmannite a mineral consisting of manganese tetroxide; a source of manganese | ||
| manganite a black mineral consisting of basic manganese oxide; a source of manganese | ||
| psilomelane a mineral consisting of hydrated basic oxide of manganese and barium; a source of manganese | ||
| pyrolusite a mineral consisting of manganese dioxide; an important source of manganese | ||