Boron: Difference between revisions
From Halopedia, the Halo wiki
Dragonclaws (talk | contribs) (remove irrelevant category) |
No edit summary |
||
| Line 1: | Line 1: | ||
{{ratings}} | {{ratings}} | ||
{{Era| | {{Era|HCW}} | ||
{{SeeWikipedia|Boron}} | {{SeeWikipedia|Boron}} | ||
'''Boron''', chemical symbol B, is a trivalent nonmetallic element that never occurs as a free element in nature. In amorphous form, it is a brown powdery substance, while in crystalline form, it is hard and black. Boron has an atomic number of 5, a hardness (Moh's scale) of 9.3, and belongs to group 13 on the periodic table. | '''Boron''', chemical symbol B, is a trivalent nonmetallic element that never occurs as a free element in nature. In amorphous form, it is a brown powdery substance, while in crystalline form, it is hard and black. Boron has an atomic number of 5, a hardness (Moh's scale) of 9.3, and belongs to group 13 on the periodic table. | ||
