Differences

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+======Boron======
+^  Number  |   5     ^
+^  Name    |  Boron  |
+^  Weight  |  10.81  |
+^  Electron config.  |  [He]2s<sup>2</sup>2p  |
+^  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%  |
+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]].
+======Links======
+  *[[:ホウ素]]
+{{tag>en:Elements}}

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