Explain What Is Meant by a Node (Or Nodal Plane)

question 14

Essay

Explain what is meant by a node (or nodal plane) in a molecular orbital and draw sketches of the following orbitals, indicating at least one nodal plane in each one.
a. a * orbital
b. a * orbital

---

Definitions:

Nuclear Envelope

The double-layered membrane that encloses the nucleus of a cell, separating it from the cytoplasm and regulating the passage of materials between the nucleus and cytoplasm.

Double-layered Membrane

A structure consisting of two layers of membrane that can envelop or line cellular organelles or body cavities.

Microvilli

Finger-like protrusions from the surface of some cells, increasing their surface area for absorption.

Cilia

Microscopic, hair-like structures on the surface of cells, moving fluid or mucus across the cell surface.