Beryllium: ferskil tusken ferzjes
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Rigel 20:
Tastan = Stiif|
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'''Beryllium''' is in [[elemint (skiekunde)|gemysk elemint]] mei symboal '''Be''' en atoomnûmer 4. It is in donkergriis [[ierdalkalimetaal]].▼
▲'''Beryllium''' is in [[elemint|gemysk elemint]] mei symboal '''Be''' en atoomnûmer 4. It is in donkergriis [[ierdalkalimetaal]].
== Untdekking ==
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