In this step, you have to check whether the central carbon atom (C) is stable or not. Step 5: Check the octet on the central atom Hence there are no remaining electron pairs to be kept on the central atom. The CF4 molecule has a total 32 valence electrons and all these valence electrons are used in the above sketch of CF4. These outer fluorine atoms are forming an octet and hence they are stable.Īlso, in step 1 we have calculated the total number of valence electrons present in the CF4 molecule. Here in the sketch of CF4 molecule, you can see that the outer atoms are fluorine atoms. Now in this step, you have to check the stability of the outer atoms. This indicates that the carbon (C) and fluorine (F) are chemically bonded with each other in a CF4 molecule. Now in the CF4 molecule, you have to put the electron pairs between the carbon atom (C) and fluorine atoms (F). Step 3: Connect each atoms by putting an electron pair between them So here the carbon atom (C) is the center atom and the fluorine atoms (F) are the outside atoms. If we compare the electronegativity values of carbon (C) and fluorine (F) then the carbon atom is less electronegative. You can see the electronegativity values of carbon atom (C) and fluorine atom (F) in the above periodic table. Now here the given molecule is CF4 and it contains carbon atom (C) and fluorine atoms (F). Step 2: Select the central atomįor selecting the center atom, you have to remember that the atom which is less electronegative remains at the center. Total valence electrons in CF4 molecule = valence electrons given by 1 carbon atom + valence electrons given by 4 fluorine atoms = 4 + 7(4) = 32. You can see the 7 valence electrons present in the fluorine atom as shown in the above image. Hence the valence electron present in fluorine is 7. → Valence electrons given by fluorine atom:įluorine is group 17 element on the periodic table. You can see the 4 valence electrons present in the carbon atom as shown in the above image. Hence the valence electrons present in carbon is 4. → Valence electrons given by carbon atom:Ĭarbon is group 14 element on the periodic table. Here, I’ll tell you how you can easily find the valence electrons of carbon as well as fluorine using a periodic table. ![]() (Valence electrons are the electrons that are present in the outermost orbit of any atom.) In order to find the total valence electrons in CF4 molecule, first of all you should know the valence electrons present in carbon atom as well as fluorine atom. ![]() Steps of drawing CF4 lewis structure Step 1: Find the total valence electrons in CF4 molecule
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |