Question

1. choose the best answer. the three - dimensional shape of atoms in a molecule is ______ geometry. shape molecular theory

Explanation:

To solve this, we analyze the options: "shape" is redundant as the question already mentions "shape"; "theory" is unrelated to the 3D arrangement of atoms in a molecule. "Molecular" fits as "molecular geometry" is the term for the three - dimensional arrangement of atoms in a molecule.

Answer:

B. molecular