Orbitals

Part 1 - s Orbitals

Analysis for ns orbitals as a function of principal quantum number.

Click on each orbital (e.g. “1s”, “2s” etc) to activate the 3-D interactive orbital viewer and the radial distribution plot on the right panel. Examine the radial distribution plot for the number of radial nodes, and the radius that encloses 90% electron density (r_90%). Examine the interactive orbital viewer for the number of angular nodes/nodal plane. Sum the number of radial and angular nodes to get the total number of nodes for a certain orbital.

Table 1. Observations of ns orbitals.

Orbital	r_90% (Bohr)	# Radial Nodes	# Angular Nodes	Total # Radial and Angular Nodes

Formulate a model for the number of radial, angular and total nodal surfaces for the ns orbitals:

# of radial nodes =

# of angular nodes =

# of total nodes =

Jmol will appear here.