![]() Now, as there are three Fluorine atoms, the electrons in its outer shell will form a bond with the electrons in the outer shell of the Bromine. Each atom in this molecule has seven valence electrons, so you can keep seven dots around each atom in the compound. Now that we know the valence electrons in the molecule, we can start with making the Lewis diagram for the compound.Īs mentioned above, Bromine is the central atom in this compound surrounded by the three atoms of Flourine. Hence the total number of valence electrons for BrF3 is 28. To get the total number of valence electrons, we have to add all these electrons:į= 7*3= 14 electrons ( as there are three fluorine atoms, we will multiply the number of valence electrons too) BrF3 Valence Electronsīromine has seven electrons in its valence shell, and fluorine also has seven electrons in its outer shell. So to understand the Lewis Dot structure of BrF3, let’s first know some basic details needed to make this structure. Lewis structure also relies on this rule, as the atoms in a molecule share their valence electrons and form bonds in order to complete their octet. Atoms tend to form bonds in order to complete their octet and become stable. This structure helps understand the pattern distribution of the electrons in the compound and its molecular geometry.Įach molecule tends to follow the octet rule in which the outer shell of the atom needs to have eight electrons to be stable and non-reactive. The bonds in the diagram are shown by using lines, whereas the lone pairs are represented as dots. A Lewis dot structure or electron dot structure is a diagram that shows the bondings of the atoms in the molecule along with their lone pairs.
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