elementum chimicum cum numero atomico 5 From Wikipedia, the free encyclopedia
Borium[1][2] seu borum[3] (nomen a borace derivatum)[4] est metalloides et elementum chemicum cum numero atomico 5 et symbolo B.
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Generalia | |||||
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Nomen, Symbolus, Numerus Atomicus | Borum, B, V | ||||
Familia Chemica | Non-metallum | ||||
Turma, Periodus, Glaeba | XII, II , p | ||||
Densitas, duritia Mohs | 2.34 g/m3 | ||||
Aspectus | atrum ![]() | ||||
Propria Atomica | |||||
Pondus atomicum | 10.811(7) uam | ||||
Radium medium | 70 pm | ||||
Radium atomicum | 85 pm | ||||
Radium covalens | 82 pm | ||||
Radium Van der Waals | |||||
Confictio electronica | |||||
Oxidatio | |||||
Structura Crystallina | Rhomboedralis | ||||
Propria Physica | |||||
Status | Solidus (non magneticus) | ||||
Punctum fusionis | 2349 K (2076 °C, 3769 °F) | ||||
Punctum fervoris | 4200 K (3927 °C, 7101 °F) | ||||
Pressio vaporis | |||||
Celeritas soni | |||||
Varia | |||||
Electrinegatio | |||||
Potestas calorifica | |||||
Conductio electrica | |||||
Conductio thermica | |||||
Isotopa stantiora | |||||
B10 | B stat si quinque neutrona habeat. | ||||
B11 | B stat si sex neutrona | ||||
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