硼和硼之间的差异

Thekey differencebetween boron and borax is that the硼是一种化学物质element而硼砂是一种化合物。此外，硼砂是一个包含硼的化合物，它是mineral.

Although the names boron and borax sound nearly similar, they are different from each other according to the chemical nature. Let us discuss more details on them.

内容

1.Overview and Key Difference
2.什么是硼
3.What is Borax
4.Side by Side Comparison – Boron vs Borax in Tabular Form
5.概括

什么是硼?

Boron is a chemical element having the symbol B and atomic number 5. Its abundance in the earth’s crust is very low, and it is a trace element in the solar system as well. It is ametalloidand most of the times, and it does not naturally occur. Moreover, boron is in the group 13 and period 2 of the periodic table. Therefore, it is the first member of the p Block. This is because it has a single electron in the 2p orbital. At standard pressure and temperature, it exists as a solid. The melting point and boiling point are 2076 °C and 3927 °C respectively.

Boron can form molecular networks similar to carbon. These structures have covalent bonds between boron atoms. These structures are the allotropes of boron. The chemical behavior of this element resembles silicon. Crystalline boron is highly unreactive; thus it does not react with HF or HCl upon heating. Moreover, boron forms oxides, sulfides, nitrides and halides with its most common oxidation state; +3 oxidation state.

What is Borax?

Borax is an inorganic compound having the chemical formula Na₂B₄O₇·10H₂O. It is a salt of boric acid. It exists as a white solid consist of soft, colorless crystals. These crystals are water soluble. Usually, this compound exists as the decahydrate form. The IUPAC name of this compound is Sodium tetraborate decahydrate. The molar mass of the decahydrate form is 381.4 g/mol. The melting point and boiling points are 743 °C and 1,575 °C respectively.

The name borax refers to a collection of compounds which includes anhydrous and hydrated forms of borax. Ex: pentahydrate form, decahydrate form. It reacts with HCl acid forming boric acid.

NA₂B₄O₇·10H₂O + 2 HCl → 4 H₃BO₃+ 2 NaCl + 5 h₂O

This compound naturally occurs in evaporite deposits; these deposits form due to repeated evaporation of seasonal lakes. We can refine this compound via recrystallization. In addition to that, this compound is useful as a cleaning agent, to make buffers, as a source of borate ions to act as a co-complexing agent, etc.

What is the Difference between Boron and Borax?

硼是具有符号B和原子数5的化学元件，而硼砂是具有化学式Na的无机化合物₂B₄O₇·10H₂O. Therefore, the key difference is that the boron is a chemical element whereas borax is a chemical compound. Moreover, the melting point and boiling points of boron are 2076 °C and 3927 °C respectively. On the other hand, the melting point and boiling points of borax are 743 °C and 1,575 °C respectively. The below infographic presents more details on the difference between boron and borax.

概括– Boron vs Borax

Borax is a compound of boron. However, they are very different from each other in the chemical nature. The key difference between boron and borax is that the boron is a chemical element whereas the borax is a chemical compound.

Reference:

1. “Boron.” Wikipedia, Wikimedia Foundation, 24 July 2018.Available here
2. “Borax.” Wikipedia, Wikimedia Foundation, 23 July 2018.Available here

Image Courtesy:

1.’Boron R105’By James L Marshall(CC BY 3.0)viaCommons Wikimedia
2.’Borax crystals’By Aram Dulyan (User:Aramgutang) – Own work, (Public Domain) viaCommons Wikimedia