Slide 1 Slide 2 Elements, Atoms, and Isotopes ***Green indicates test items*** Slide 3 The Language of Chemistry CHEMICAL ELEMENTS -CHEMICAL ELEMENTS - –pure substances…
Slide 1 Slide 2 Atoms, Isotopes and Ions Slide 3 An atom consists of a nucleusnucleus –(of protons and neutrons) electrons in space about the nucleus.electrons in space…
Slide 1 A TOMS AND E LEMENTS Slide 2 Radioactivity One of the pieces of evidence for the fact that atoms are made of smaller particles came from the work of Marie Curie (1876-…