Boron - The Periodic Table part 8

Elemental symbol: B
Atomic number: 5
Group: Metalloid
Stable Isotopes: 11B (common boron), 10B
Some Radioactive Isotopes: 6B, 7B, 8B, 9B, 12B, 13B, 14B, 15B, 16B, 17B, 18B, 19B, 20B, 21B
Some Allotropes: Alpha tetragonal boron, alpha rhombohedral boron, beta rhombohedral boron
Melting point: 2350K, 2077°C, or 3771°F
Boiling point: 4273K, 4000°C, or 7232°F
State at room temperature (20°C/68°F): Solid
Density: 2.37 g/cm3
Common compounds: sodium borate/borax (Na2[B4O5(OH)4]⋅8H20), boric acid (H3BO3), boron nitride (BN), boron carbide (B4C) and many more... 
Discovered by:  Louis-Josef Gay-Lussac and Louis-Jacques Thénard independently from Humphry Davy in 1808

Boron in a hard but brittle gray metal. For the reason that it’s brittle, boron is used mostly in compounds. Boron nitride (BN) makes crystals similar to crystals that carbon (C) can create. Cubic boron nitride is very hard, and under certain definitions of ‘hard’, it could be harder than diamond. It’s less expensive and more heat resistant than diamond, so it’s used in machinery parts. Boron carbide (B4C) is used to make Silly Putty®. This compound allows for it to be soft in your hand one minute, and hard and bouncy when you throw it at the wall. Boric acid (H3BO3) is used as pest (rodents, various insects) poison. It’s a mild acid that is used in cosmetics and pharmaceuticals, such as in contact lens solution, eye disinfectants and other things. Boric acid, along with other borates (boron-oxygen compounds) are used in boron supplements. Boric acid is also used as a flame retardant (something to help something not burn), it’s used in glass and fiberglass so the glass is less sensitive to temperature fluctuations and is used as a wood preservative.
Borax (Na2[B4O5(OH)4]⋅8H20) is a common laundry aid.



Boron
Chips of boron/Astillas de boro - Credit/Credito: Britannica ImageQuest. https://quest.eb.com/failedlogin?target=%2Fsearch%2Fboron%2F1%2F139_1917966%2FBoron. Accessed 21 Sept. 2019.

Boro

Símbolo elemental: B
Numero atomíco: 5
Grupo: Metaloides
Isótopos estables: 11B (boro commun), 10
Algunos isótopos radiactivo: 6B, 7B, 8B, 9B, 12B, 13B, 14B, 15B, 16B, 17B, 18B, 19B, 20B, 21B
Algunos Alótropos: alfa boro tetragonal, alfa boro rombéldal, beta boro rombéldal
Punto de derretimiento: 2350K, 2077°C, o 3771 °F
Punto de hirviendo: 4273K, 4000°C, o 7232°F
Estado en la temperatura ambiente (20°C/68°F): Solidó
Densidad: 2.37 g/cm3
Compuestos comunes: borato de sodio/bórax (Na2[B4O5(OH)4]⋅8H2O), ácido bórico (H3BO3), nitruro de boro (BN), carburo de boro (B4C) y muchos otros...
Descubierto por: Louis-Josef Gay-Lussac y Louis-Jacques Thénard independientemente de Humphry Davy en 1808. 

Boro es un metal que es gris y es quebradizo. Para el razón que boro es quebradizo, boro es principalmente usado en compuestos. Nitruro de boro (BN) hace cristales muy similar a los cristales que carbono (C) forma. Nitruro de boro cúbico es muy duro, y debajo de diferentes definiciones de ‘duro’, puede ser más duro de diamante. Nitruro de boro cúbico es menos caro y más resistente a calor de diamante. Para ese razones, es usado en partes de máquinas. Carburo de boro (B4C) es usado para hacer Silly Putty®. Ese compuesto deja al Silly Putty® ser suave en su mano un minuto, y duro y bota bien cuando tú se tira a el pared. Ácido bórico (H3BO3) es usado como veneno de plagas (ratones, varios insectos). Ácido bórico es un ácido débil que es usado en cosméticos y farmacéuticos, en productos como solución de lentes de contacto, desinfectantes de ojo, y otras cosas. Ácido bórico, a junto con otros boratos (compuestos de boro y oxígeno (O)) son usado en suplementos de boro. Ácido bórico también es usado en retardador de llamas (algo que ayuda a algo para no quemar), es usado en vidrio y fibra de vidrio para que el vidrio es menos sensible a fluctuaciones de temperatura, y es usado como un preservante de madera. Bórax (Na2[B4O5(OH)4]⋅8H20) es un ayuda de lavadero commun.



Flora

Sources/Fuentes de información: 

Information/Información
Allotrope Names for All the Elements in the Periodic Table.
https://periodictable.com/Properties/A/AllotropeNames.an.html. Accessed 21 Sept. 2019.
“Borate.” Wikipedia, 18 Aug. 2019. Wikipedia,
https://en.wikipedia.org/w/index.php?title=Borate&oldid=911396777.
“Borax.” Wikipedia, 14 Sept. 2019. Wikipedia,
https://en.wikipedia.org/w/index.php?title=Borax&oldid=915702693.
“Boric Acid.” Wikipedia, 14 Sept. 2019. Wikipedia,
https://en.wikipedia.org/w/index.php?title=Boric_acid&oldid=915703836.
“Boric Acid.” The Chemical Company,
https://thechemco.com/chemical/boric-acid/. Accessed 21 Sept. 2019.

Boron - Element Information, Properties and Uses | Periodic Table.
http://www.rsc.org/periodic-table/element/5/boron. Accessed 21 Sept. 2019.
“Boron Carbide.” Wikipedia, 14 Sept. 2019. Wikipedia,
https://en.wikipedia.org/w/index.php?title=Boron_carbide&oldid=915705635.
“Boron Nitride.” Wikipedia, 14 Sept. 2019. Wikipedia,
https://en.wikipedia.org/w/index.php?title=Boron_nitride&oldid=915705657.

Gray, Theodore W., and Nick Mann. The Elements: a Visual Exploration of Every Known Atom in the Universe. Black Dog & Leventhal Publishers, 2009.
It’s Elemental - Isotopes of the Element Boron.
https://education.jlab.org/itselemental/iso005.html. Accessed 21 Sept. 2019.
“Metalloid.” Wikipedia, 20 Sept. 2019. Wikipedia,
https://en.wikipedia.org/w/index.php?title=Metalloid&oldid=916750448
. Tech, Stephanie Pappas 2014-11-05T03:56:00Z. “Facts About Boron.” Livescience.Com,
https://www.livescience.com/28674-boron.html. Accessed 21 Sept. 2019.

Help with translation/Ayuda con traducción
SpanishDict, https://www.spanishdict.com/?utm_source=social&utm_medium=
facebook&utm_campaign=share. Accessed 30 Aug. 2019.

Tabla Periódica Dinámica. //www.ptable.com/?lang=es. Accessed 30 Aug. 2019.

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