(b) [image:4_image117.emf] [table] | $\sigma$- bond | Lone pair | Unpaired electron | Total ; I. II. III. | 3 2 4 | $\times$ $\times$ $\times$ | $\times$ $\times$ $\times$ | $3\ (sp^{2})$ 2 (sp) $4(sp^{3})$ [/table]
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.