Session Date
Lesson Topic
atomic structure
Lesson Outline
Discuss atomic mass units and how that differs from atomic mass.
Elicit how the atomic mass is determined from the weighted average of all the natural isotopes in a sample.
Use chlorine as the example and show how to determine the atomic mass step by step.
Have Joshua work a problem involving boron to arrive at the atomic mass.
Discuss Carbon -12 as the element used to compare all element atomic mass units to.
Relate that the AMU 's are whole numbers based on the number of protons and neutrons in the atom.
Session Minutes
45
Minutes Student Attended
45
Lesson Comments
Joshua worked math problems easily
Session Hours
0.75
Hours Attended
0.75
Entry Status
Review Status
Student Name(s)