5
Atomic Number
Boron
Atomic Weight
10.81
Melting Point
2076°C
Boiling Point
3927°C
| Element & Symbol | Atomic Number | Major Use(s) | |
|---|---|---|---|
| Boron (B) | 5 | Hard, black/brown metalloid (often classified as a nonmetal); high melting point. | Borosilicate glass (Pyrex), detergents, semiconductors, neutron absorber. |
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