Ions and Isotopes Chemistry Unit
My middle school daughter has just finished a new chemistry unit on ions and isotopes. It is more than 125 pages. I’m excited to share this new unit with you! It is discounted through May 6th! What are ions and isotopes? An atom has three subatomic particles: protons, neutrons, and electrons. Each element on the periodic table has a unique number of protons. The number of protons for an element...
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