1. Chemistry of life Everything-whether it is a rock, frog, or flower-is made of substances called elements. An Element is a substance that can’t be broken down into simpler…

Slide 1 Slide 2 Summary of the Atom atoms are the smallest particles that can be uniquely associated with an element Atoms cannot break down further by chemical means. each…

Slide 1Go to Section: 2–1The Nature of Matter A.Atoms B.Elements and Isotopes 1.Isotopes 2.Radioactive Isotopes C.Chemical Compounds D.Chemical Bonds 1.Ionic Bonds 2.Covalent…

Slide 1 Slide 2 Slide 3 Atomic Mass l Atoms are so small, it is difficult to discuss how much they weigh in grams l Use atomic mass units. l an atomic mass unit (amu) is…

Slide 1Chemistry: The Nature of Matter Slide 2 Elements An element is a pure substance of one type of atom that cannot be broken down into other substances Periodic Table…

Slide 1Radiocarbon 14-C is a radioactive isotope of carbon. It was discovered in 1934 by Grosse as an unknown activity in the mineral endialyte. In the same year, Kurie (Yale)…

Slide 1PALAEONTOLOGY The study of fossils © 2008 Paul Billiet ODWSODWS Slide 2 The formation of fossils Fossils are generally of rock that had replaced the preserved organism…

Slide 1 Slide 2 Slide 3 Slide 4 RADIOACTIVE ELEMENTS HAVE A PROVEN CONSTANT DECAY RATE RADIOACTIVE ELEMENTS HAVE A PROVEN CONSTANT HALF-LIFE NECESSARILY, A DATABLE MATERIAL…

Slide 1Radiation Safety Training Basic Radiation Physics Washington State University Radiation Safety Office Slide 2 Radiation Fundamentals Objectives: Identify the three…

Slide 1Chemistry came to be because people wanted to create gold from other elements. There is no “Chemical Reaction That will do this” Chemical reactions involve the…