The lone pair of electrons takes up two of the sp3 orbitals. While forming a bond the s orbital of the Hydrogen atom overlaps with p orbital of the Sulfur atom. These bonds take up four valence electrons, and hence there are four other valence electrons left. Two single bonds are formed in the molecule. In the H2S molecule, two Hydrogen atoms form a bond with the central Sulfur atom. It is essential to know the type of bonding in the compound to know its hybridization. The number of bonds in the compound and its type.To understand the hybridization of H2S, it is vital to know two things first: In total there are two pairs of non-bonding electrons in this compound and Hydrogen atoms have a complete valence shell. The remaining four electrons are nonbonding electrons and are hence displayed as dots near the Sulfur atom. Two out of six valence electrons participate in bond formation.ĭraw lines ( for showing bonds) between Hydrogen and Sulphur atoms. Here the valence electrons of Sulfur are used to make Hydrogen stable by donating an electron to both the atoms of Hydrogen. Now place two Hydrogen atoms on both sides of the central atom. Place the Sulphur atom in the middle and arrange its valence electrons around it. But Hydrogen only requires a single electron to become stable as it belongs to Group 1 elements. Sulfur needs eight electrons to fulfill the requirements for Octet Rule. The Lewis structure of H2S is similar to H 2 S. In this compound, both the hydrogen atoms require one electron to make the covalent bond with Sulfur. The Lewis Structure of Hydrogen Sulfide is easy to draw and understand. The Octet Rule of chemistry states that there should be eight electrons in the outer shell of an element for it to be stable. The structure is made based on the Octet Rule. Whereas, the lines represent the bonds in the compound. Dots represent the electrons that do not participate in the bond formation. The representation is displayed using dots and lines that represent electrons. Knowing the Lewis structure of a given chemical compound is essential as it provides the necessary information about all other chemical properties of the compound. The Lewis structure of any compound is a structural representation of the valence electrons participating in the formation of bond along with the nonbonding electron pairs. Thus, there are a total of eight valence electrons in H 2 S. Total number of valence electrons in H 2 S Hence there are two valence electrons for Hydrogen atom ( as there are two Hydrogen atoms) There are two atoms of Hydrogen and a single atom of Sulfur in the compound.Įach Hydrogen atom has only one electron which is also its valence electron To know the total number of valence electrons in Hydrogen Sulfide we need to add the valence electrons of both Hydrogen and Sulfur atoms.
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