Slide 1 Slide 2 Objectives Describe the particles within atoms and the structure of atoms. What are elements? Relate the energy levels of atoms to the chemical properties…

Slide 1Mr. Wagner Biology Chemistry in Biology Slide 2 Chapter 6.1 Vocabulary 1. Atom 2. Compound 3. Electron 4. Element 5. Nucleus 6. Neutron 7. Proton Slide 3 Chapter 6…

Slide 1A subsequent study of visualized DNA sequence comparison based on NKS Dawei Li Ph.D The Rockefeller University E-mail: [email protected] or [email protected] Slide…

Slide 1Ch. 4 Chemical Basis of Life Slide 2 4.1 Life requires about 25 chemical elements. Slide 3 I. Elements A. matter: anything that occupies space and has mass B. element:…

Slide 1CHAPTER 18 ATOMS AND ELEMENTS Section 18.1 Atomic Structure Slide 2 All matter is formed from atoms, either by themselves or combined in molecules. Everything that…

Slide 1Chemical Reactions Chapters 5 sections 1, 2 & 3 6 sections 2, 3 Slide 2 Valence Electrons Only electrons involved in bonding. The number of valence electrons affects…

Slide 1 Slide 2 Unit 2 Notes – Radioactivity Mr Nelson Slide 3 Facts about the nucleus Radius = 10 -13 cm (0.0000000000001 cm) Radius = 1/100000 th of an atom Density =…

Slide 1Rocks Record Earth History 12.1 Discovering Earths History Rocks record geological events and changing life forms of the past. We have learned that Earth is much older…

Slide 1 Slide 2 Unit 6 – The Geosphere Vocabulary 1.Uniformitarianism 2.Relative Dating 3.Law of Superposition 4.Principle of Original Horizontality 5.Principle of Cross-…

Slide 1Topic 1 – Atomic Structure and the Periodic Table Revision Checklist SubtopicClass NotesRevision NotesPast Exam Questions C2.1 Mendeleev C2.2 Structure of an atom…