Boron/Definition: Difference between revisions
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imported>David E. Volk (New page: <noinclude>{{Subpages}}</noinclude> A rare chemical element (atomic number = 5) present in 0.0003% of the earth's crust, mostly as borax and kernite.) |
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Latest revision as of 13:33, 1 July 2008
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A rare chemical element (atomic number = 5) present in 0.0003% of the earth's crust, mostly as borax and kernite.