Classroom adaptation of Beginning Chemistry, v. 1.0 (CC BY-NC-SA 3.0).
Opens with a refresher on speed = distance ÷ time from the 2026-09-30 physics class, then the book's section 2.1 ideas and sections 3.1–3.2:
atomic theory, the parts of an atom, isotopes, element symbols, chemical formulas and naming.
Teacher: press T for notes.