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๐ฏ Middle school - High school โ Symbolic representation of the nucleus of the atom (A, X, Z) โ Model of the atom โ Determine the number of protons, neutrons, electrons that make up an atom ๐/๐ Corrected MCQs to practice: https://docs.google.com/forms/d/e/1FA... Related to this capsule: ๐ What is an ATOM? โข What is an ATOM? Physics-Ch... ๐ Read and understand a CHEMICAL FORMULA โข CHEMICAL FORMULA โ Atom, molecule, i... ๐ Excerpt from the official program (Cycle 4): Use the periodic table to find, from the name of the element, the symbol and the atomic number and vice versa.