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+ | ======Boron====== | ||
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+ | ^ Number | 5 ^ | ||
+ | ^ Name | Boron | | ||
+ | ^ Weight | 10.81 | | ||
+ | ^ Electron config. | [He]2s<sup>2</sup>2p | | ||
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+ | ^ Isotope ^ Weight ^ Ratio ^ | ||
+ | |<sup>10</sup><sub>5</sub>B|10.0129| 19.9% | | ||
+ | |<sup>11</sup><sub>5</sub>B|11.0093| 80.1% | | ||
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+ | A trace element with the atomic symbol B, atomic number 5, and atomic weight 10.81. Boron-10, an isotope of boron, is used as a neutron absorber in [[boron neutron capture therapy]]. | ||
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+ | ======Links====== | ||
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+ | *[[:ホウ素]] | ||
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+ | {{tag>en:Elements}} | ||