Step 1: Sulfur (EN = 2.58) is less electronegative than chlorine (EN = 3.16) so S is the central atom.
Step 2: SCl2 is neutral, hence the overall charge is zero. The total number of valence electrons present in the molecule is:
Group Valence Electrons
S 6A 1 × 6 e– = 6 e–
Cl 7A 2 × 7 e– = 14 e–
Total: 20 valence e–
Step 3: Note that halogens, when not the central atom, forms only 1 bond. The Lewis structure of SCl2 is:
What is the name of the hybrid orbitals used by sulfur in SCl2?
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