Boron - Wikipedia
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.
Periodic Table - Ptable
Interactive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix compounds. Fully descriptive writeups.
Boron - Element information, properties and uses | Periodic Table
Element Boron (B), Group 13, Atomic Number 5, p-block, Mass 10.81. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
Boron | Properties, Uses, & Facts | Britannica
2024年11月11日 · boron (B), chemical element, semimetal of main Group 13 (IIIa, or boron group) of the periodic table, essential to plant growth and of wide industrial application.
Boron (B) - Periodic Table
Boron is the 5th element in the periodic table and has a symbol of B and atomic number of 5. It has an atomic weight of 10.810 and a mass number of 11. Boron has five protons and six neutrons in its nucleus, and five electrons in two shells.
Boron | B (Element) - PubChem
Periodic Table element Summary Boron. Boron is a chemical element with symbol B and atomic number 5. Classified as a metalloid, Boron is a solid at room temperature.
Boron | History, Uses, Facts, Physical & Chemical Characteristics
Boron is a metalloid and was discovered by Joseph L. Gay-Lussac and L. J. Thénard in 1808. It is chemically unreactive and is the second hardest element on earth. Boron is an ancient metal and have been known to human civilization since thousands of years.
Boron (B) – Periodic Table (Element Information & More)
2024年9月1日 · 1st shell can hold 2 electrons. 2nd shell can hold 8 electrons. 3rd shell can hold 18 electrons. 4th shell can hold 32 electrons. Now the atomic number of Boron (B) is 5. Hence, boron element has the electrons arrangement 2, 3. This electron arrangement indicates that the outermost orbit of Boron (B) has 3 electrons. Hence, it lies in group 13.
Boron (B) - Periodic Table
Boron is a chemical element of the periodic table with chemical symbol B and atomic number 5 with an atomic weight of 10.806 u and is classed as metalloid and is part of group 13 (boron group). Boron is solid at room temperature.
Boron (B) - Element Information, Facts, Properties, Uses ...
Element 5 of Periodic table is Boron with atomic number 5, atomic weight 10.811. Boron, symbol B, has a Simple Trigonal structure and Black color. Boron is a Metalloid element. It is part of group 13 (boron family). Know everything about Boron Facts, Physical Properties, Chemical Properties, Electronic configuration, Atomic and Crystal Structure.