Assertion: manganese | /r/HasProperty | element
Facets:
Source sentences:
text: However, manganese is an element that cannot be broken down.
text: For a while, there was a total mix up concerning manganese and magnesium, but in the late 18th Century, a group of Swedish chemists, headed by Torbern Bergman were convinced that manganese is its own element.
text: Manganese is one of the elements, and it does not need to have a function.
text: Manganese is one of the few elements that humans use on a daily basis.
text: Manganese is an element essential for the sovereignty of modern societies, irreplaceable and consumed in large quantities by all industrialized and developing nations.
text: Manganese is an element symbolized with “Mn” which exists naturally as an ore.
text: Manganese is an element that has helped and still helps humans to improve their personal lives in various ways.