Teachers, save “Review Identifying Protons and Valence E…” to assign it to your class.

1. Using the construct the Bohr model, only recording the number of protons and electrons. Determine how many valence electrons on each model. 2. Read and record your response to the multiple-choice questions provided. 3. Compare and Contrast Hydrogen and Helium using the periodic table by identifying 3 differences for each atom and 2 similarities. Check when you have completed the activity.