Help Your Students Master Atomic Structure with This Comprehensive Chemistry Bundle!Ideal for Middle School and 9th Grade Physical Science Students: This bundle is a treasure trove of resources, perfectly tailored for middle school and 9th-grade science curriculum. It covers all the essentials of atomic structure, including atomic number, atomic mass, valence electrons, Bohr models, Lewis Dot structures, energy levels, and periodic table trends, plus an introduction to molecular mass.What's Insi