Understand Polar Covalent Bonding. Click on the link to Watch the VIDEO explanation: Watch Video
The molecule HCl is formed by sharing of electrons between a hydrogen atom and a chlorine atom. Hydrogen has 1 electron in the valence shell while chlorine has 17. Chlorine being more electronegative than hydrogen, the shared electron is pulled closer to chlorine. So chlorine atom get a small negative charge called as d- and hydrogen atom gets a small positive charge called as d+.
The molecule HCl is formed by sharing of electrons between a hydrogen atom and a chlorine atom. Hydrogen has 1 electron in the valence shell while chlorine has 17. Chlorine being more electronegative than hydrogen, the shared electron is pulled closer to chlorine. So chlorine atom get a small negative charge called as d- and hydrogen atom gets a small positive charge called as d+.
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