Let's start by watching this brief and exciting introduction to all things chemistry... atoms, subatomic particles,
atomic numbers and more!
KEYWORDS!
matter, atoms, protons, neutrons, electrons, atomic number, atomic mass, element, compound, group, period, ductile, malleable, metalloid, mixture, ion, anion, cation, chemical reaction, reactants, products, synthesis, decomposition, single replacement, double replacement, combustion, isotopes, radioactive isotopes, radiation