硼 pénɡ （英語： Boron），是一種 化學元素， 化學符號 为 B， 原子序數 为5， 原子量 為 10.811 u。 由於硼的產生完全來自於 宇宙射線散裂 以及 超新星 而非 恆星核合成，所以硼在太 …

Boron is a chemical element. It has the symbol B and atomic number 5. In its crystalline form it is a brittle, dark, lustrous metalloid; in its amorphous form it is a brown powder.

硼（Boron）是一种化学元素，元素符号是B。 它是周期系IIIA族的第一个元素，原子结构为1s22s22p1，原子量为10.81。 天然硼由两种稳定同位素构成。

Boron (B) is a chemical element with an atomic number 5 that belongs in the Period 2 and Group 13 in the periodic table. It is a low-abundant metalloid that is a poor electrical conductor at …

Boron is a chemical element with symbol B and atomic number 5. Classified as a metalloid, Boron is a solid at room temperature. [He]2s 2 2p 1. J.C. Slater, J Chem Phys, 1964, 41 (10), 3199 …

硼，英文名称Boron，是一种非金属元素，化学符号为B，元素周期表第2周期ⅢA族元素，密度为2.34g/cm³，原子序数为5，相对原子质量10.811，熔点约2076℃，沸点3927℃。

Name: Boron Symbol: B Atomic Number: 5 Atomic Mass: 10.811 amu Melting Point: 2300.0 °C (2573.15 K, 4172.0 °F) Boiling Point: 2550.0 °C (2823.15 K, 4622.0 °F) Number of …

Boron is a chemical element with symbol B and atomic number 5. Produced entirely by cosmic ray spallation and supernovae and not by stellar nucleosynthesis, it is a low-abundance element in …

Boron (pronunciation BO-ron [2]), represented by the chemical symbol or chemical formula B [1], is hard and brittle in its crystalline form [22]. It has allotropes in the form of an amorphous …

2023年3月13日 · Boron, a chemical element with the symbol B is semimetal of main Group 13 (IIIa, or boron group) of the periodic table with the atomic number 5. It exists in numerous …