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Sigma KEE - Manganese
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Manganese
Grey brittle metallic transition element. Rather electropositive, combines with some non-metals when heated. Discovered in 1774 by Scheele.
Relationships
Parents
ElementalSubstance
The
Class
of
PureSubstance
s that cannot be separated into two or more
Substance
s by ordinary chemical (or physical) means. This excludes nuclear reactions.
ElementalSubstance
s are composed of only one kind of atom. Examples: Iron (Fe), copper (Cu), and oxygen (O_2).
ElementalSubstance
s are the simplest
PureSubstance
s.
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