Documents The Discovery of Isotopes Francis William Aston and Antoine Becquerel.

The Discovery of Isotopes Francis William Aston and Antoine Becquerel An atom consists of a nucleus (of protons and neutrons) electrons in space about the nucleus. The Atom…

Documents Elements, Atoms, and Compounds The Language of Chemistry CHEMICAL ELEMENTS -CHEMICAL ELEMENTS -...

Elements, Atoms, and Compounds The Language of Chemistry CHEMICAL ELEMENTS - pure substances that cannot be decomposed by ordinary means to other substances. Sodium Bromine…