What Are the Electron Arrangements and the Shape Around the Central

Q15: How many lone pairs of electrons are

Q16: All the following are polar except<br>A) O₃.<sub>

Q17: What is the ground-state electron configuration of

Q18: The hybrid orbitals used by the underlined

Q19: For the Lewis structure of the cyanamide

Q21: All the following elements exist as diatomic

Q22: How many electrons are in the expanded

Q23: Which of the following is a radical?<br>A)

Q24: In the most plausible Lewis structure of

Q25: Draw the Lewis structure of the formate