Author: Anonymous

What is the frequency, in Hz, of a photon having a wavelength of 420nm?

Draw an orbital diagram of the valence shell of niobium.

Describe the photoelectric effect.  What does it prove about the nature of light?

Draw the lewis structure of the ionic compound formed between sulfur and sodium. Don’t forget that you must show all your work.

Draw a molecular orbital diagram of N22+.  Be sure to label all the orbitals (both atomic and molecular). Calculate the bond order.   The order of the molecular orbitals from the atomic p orbitals is pi, sigma, pi*, sigma*

Is light a particle or a wave? Using full sentences and your own words, fully defend your answer.  Be sure to include relevant experimental proof.

Showing all your work: a) Draw the Lewis structure of carbon tetrafluoride. b) Label the electron geometry and molecular geometry c) Determine if the molecule is polar or non polar. Explain your choice.

Draw the lewis structure of the ionic compound formed between nitrogen and potassium. Don’t forget that you must show all your work.

Groundwater:

A point bar is created when sediment: