Beryllium Fluoride: Explaining Why It's a Molecule

  • Thread starter Virogen
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In summary, beryllium fluoride is a chemical compound composed of one beryllium atom and two fluorine atoms that is highly soluble in water and has a melting point of 554°C. It is considered a molecule because it is a combination of two or more atoms bonded together. Beryllium fluoride has various uses, including in nuclear reactors, glass and ceramic production, and as a catalyst. It can be toxic in large quantities but is generally safe in small amounts and is even used in some dental products. While beryllium fluoride itself does not contribute to global warming, its production can contribute to carbon emissions, which do contribute to global warming.
  • #1
Virogen
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Can anyone explain to me why this is a molecule? The difference in electronegativity is larger than 2.0 on the Pauling scale - it should be ionic?
 
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  • #2
Difference in electronegativity is only a rule of thumb, sometimes it fails.
 
  • #3
Virogen said:
Can anyone explain to me why this is a molecule? The difference in electronegativity is larger than 2.0 on the Pauling scale - it should be ionic?

I'm curious. How did you determine that BeF2 is covalent? Did you use Fajan's Rule? If you did, you should look at the structure of BeF2 and think about dipole moments.
 

1. What is beryllium fluoride?

Beryllium fluoride is a chemical compound composed of one beryllium atom and two fluorine atoms. It is a colorless, crystalline solid that is highly soluble in water and has a melting point of 554°C.

2. Why is beryllium fluoride considered a molecule?

Beryllium fluoride is considered a molecule because it is a combination of two or more atoms that are chemically bonded together. In this case, the beryllium and fluorine atoms are bonded through covalent bonds, forming a stable molecule.

3. How is beryllium fluoride used?

Beryllium fluoride has a wide range of uses, including as a component in nuclear reactors and in the production of certain types of glass and ceramics. It is also used in the production of certain types of semiconductors and as a catalyst in organic reactions.

4. Is beryllium fluoride toxic?

Beryllium fluoride can be toxic if ingested or inhaled in large quantities. It can cause irritation to the skin, eyes, and respiratory system. However, in small amounts, it is generally considered safe and is even used in some toothpastes and mouthwashes to prevent tooth decay.

5. How does beryllium fluoride contribute to global warming?

Beryllium fluoride is not a significant contributor to global warming. It is a stable compound and does not react with other elements in the atmosphere to form greenhouse gases. However, the production of beryllium fluoride can contribute to carbon emissions, which do contribute to global warming.

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