These class notes that cover the subject of electron configuration or electron structure. It covers their definition, how to use it and how to create them for each element. A chart for the notations of the different sublevels and power levels on the periodic table is provided to understand which letter to use for writing out the electron configuration. Example problems are provided with step-by-step solutions to aid students and teachers in how to write or read electron configurations. The slide format allows teachers and students to edit or add content to the file to better tailor the lesson to needs of the curriculum.

These slides cover the introduction of the series and parallel circuit setup, a subject in Physics and basic engineering science. It covers the equations for the current, voltage and resistors in each circuit setup. An example problem with a step-by-step solution is provided to display how the parallel or series laws are used in simplifying a complex circuit problem. The slide format is allows students and teachers to edit and add content to better tailor the slides to curriculum of the school.

Chemistry lesson notes that cover the pH and pOH theory and calculations for how acidic or basic a chemical solution is. The notes cover; pH and pOH scales Mathematical equation for pH calculation Rules for acidic and basic solutions using pH values Basic rule for using figuring out the pH value Example problems about pH and pOH value calculations with step-by-step answers The notes are in slideshow file to enable students and teachers to edit or add content to the file.