We’re being asked to draw a Lewis structure for SCl6. We first need to determine the total number of valence electrons present in the molecule:
Group Valence Electrons
S 6A 1 × 6 e– = 6 e–
Cl 7A 6 × 7 e– = 42 e–
Total: 48 valence e–
Determine the molecular geometry of SCl6.