![]() ![]() Fluorine is in group 17 of the periodic table with the electronic configuration 2s22p5. Therefore, the two Hydrogen atoms contribute 1 x 2 = 2 valence electrons.įinally, we have two Fluorine atoms. Hydrogen has an electronic configuration of 1s1. Therefore, a single carbon atom contributes: 4 x 1 = 4 Valence Electrons. Carbon is in group 4 of the periodic table with the electronic configuration 2s22p2. Let’s take a look at how many valence electrons are available to us to assemble the CH2F2 Lewis structure:įirst, we have Carbon. They can break to take part in bond formation and electron exchanges. Valence electrons, as we know, are electrons that are in the outermost shells of atoms. This depends on each element’s position in the periodic table and, therefore, its electronic configuration. Each constituent atom in Difluoromethane contributes a set amount of valence electrons. To assemble the Lewis structure of Difluoromethane, we must first calculate the number of valence electrons available. Concluding Remarks CH2F2 Valence Electrons.of valence electrons 4 + (1 x 2) + (7 x 2) = 20 valence electrons Hybridization of the central atom sp3 Bond Angles 109.5° Molecular Geometry of CH2F2 Tetrahedral Molecular Geometry Let us look at some of the properties of Difluoromethane below: Name of the molecule Difluoromethane (CH2F2) No. The Lewis structure of Difluoromethane will help us understand its structure and atomic constitution. This is still relatively less than other refrigerants like R410A or R417A.Īlternatives to HFCs are being tested, and the United States has begun phasing out the use of Difluoromethane over 15 years. It has an ODP (Ozone Damaging Potential) of 0 and is 675 times more likely to cause Global Warming than Carbon Dioxide. Difluoromethane has found wide use in Asia and other developing regions. As such, hydrofluorocarbons or HFCs are preferred. CFCs and other aerosols have been ruled as damaging to the ozone layer. Owing to its thermodynamic properties, Difluoromethane is used as a refrigerant. Dichloromethane reacts with Hydrogen Fluoride (HF) in three phases under different conditions. ![]() It also has exceptional thermal stability and is generally insoluble in water.ĬH2F2 is industrially manufactured via the fluorination of Dichloromethane (CH2Cl2). It is a colorless and odorless gas that is also mildly inflammable. Here, two Fluorine atoms take the place of Hydrogen atoms in Methane (CH4) to form CH2F2. Being a refrigerant, Difluoromethane is also known as HFC-32 or, more commonly, R-32. The chemical formula CH2F2 represents Difluoromethane. ![]()
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