In the above article, we studied about Lewis structure of Stibine molecule and its shape, hybridization, lone pairs, octet rule, formal charge calculation. In the Lewis structure of SbH3, all of the atoms have fulfilled their octet number of electrons. The octet rule asserts that atoms gain, lose, or share electrons to establish a stable electron configuration with eight valence electrons while producing compounds. The hybridization of SbH 3 molecule is found to be sp 3. The central atom antimony has one lone pair of electrons. In SbH3 Lewis structure, antimony has 5 valence electrons and each hydrogen has one valence electron. Shape of SbH 3 molecule from wikipedia 3. The formal charge on antimony is found to be zero. Hydrogen contains one Valence electron, zero Nonbonding electrons and two Bonding electrons. The formula for the calculation of the formal charge as follows:įormal charge = Valence electrons – Nonbonding electrons – (Bonding electrons)/2Īntimony contains five Valence electrons, two Nonbonding electrons and six Bonding electrons Step 5: Check the stability of Lewis structure by calculating the formal charge on each atom As a result, the construction must be stable. Step 4: Complete the octet on each atomsĮach hydrogen and antimony atom should have eight electrons around it. Place two electrons between each antimony atom and hydrogen atom to show a chemical bond. Step 3: Place the two electrons between the atoms to illustrate the chemical bond As a result, antimony should be positioned in the centre, surrounded by the remaining three hydrogen atoms. We must, however, keep hydrogen outdoors due to legal requirements. Usually, the doping agents are (i) pentavalent atoms having five valence electrons (arsenic, antimony, phosphorus) or (ii) trivalent atoms having three. The hydrogen in the SbH 3 molecule is less electronegative than antimony. Step 2: Select the centre atom and keep H always outsideĪlways place the least electronegative atom in the centre when choosing the centre atom. Thus, the number of valance electron is 5. The electronic configuration of Antimony is 2, 8, 18, 18, 5. In antimony, the total electron shells are 5. The valence electrons are referred as the free electrons which are available at the last orbit. In the SbH 3 molecule, the total amount of Valence electrons is 5 + 1(3) = 8. Correct option is A) Antimony element has the atomic number of 51. ![]() ![]() ![]() On the periodic chart, hydrogen belongs to group 1.Īs a result, the valence electron in hydrogen is 1. As a result, antimony has 5 valence electrons. To draw the Lewis structure of SbH3, you must first figure out how many valence electrons there are in the molecule.Īntimony is a periodic table group 15 element. Steps to Draw the Lewis Structure of SbH3 as follows: Step 1: Determine how many valence electrons there are in total Because SbH 3 is extremely unstable, it is seldom found outside of labs. It is a severely hazardous heavy antimony counterpart of ammonia. SbH 3 is a colourless, flammable gas that smells like rotten eggs. The antimony atom have a one electron pair. The Antimony (Sb) atom is in the centre, surrounded by three Hydrogen atoms (H). SbH3 has three single bonds between the Antimony atom and each Hydrogen atom in its Lewis structure. In this article, we look into the sbh3 lewis structure, shape, formal charge and its hybridization.
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