These 63 Atoms and Atomic Structure task cards will help students review the structure and parts of atoms, atomic theory, the history of the atom, law of conservation of mass, and more. Students will determine the number of protons, neutrons, and electrons in neutral atoms, ions, and isotopes. Lots of practice problems are included. Students will calculate the average atomic mass and carry out mole conversion problems using Avogadro's number. See complete list of concepts covered below.Suitable