PPT-Atomic Structure Chapter 4

The lab technician shown here is using a magnifying lens to examine a bacterial culture in a petri dish When scientists cannot see the details of what they study they try to obtain experimental data that help fill in the picture. And 57375en 57375ere Were None meets the standard for Range of Reading and Level of Text Complexity for grade 8 Its structure pacing and universal appeal make it an appropriate reading choice for reluctant readers 57375e book also o57373ers students Cryo. -EM. Lindsey . Organtini. 8-16-13. Structure Work Group. Virus assembly. Structure is a key element in understanding viral assembly. X-Ray crystallography can resolve atomic structural information, so why not use it?. Review & Introduction for Science 10. Vocabulary. ATOM. :. smallest particle of an element, has a neutral charge.. ELEMENT. :. made up of 1 type of atom (. eg. . Oxygen, . O. ). COMPOUND:. . a pure substance made up of 2 or more elements that are . Ar. cluster ions – an . ab initio . study. 5-th School-Conference on Atomistic Simulation of Functional Materials. J.G. . Korobova. , . A.E . Ieshkin, . V.. S. . Chernysh. Moscow . State University, Physical Department. https://youtu.be/. hhbqIJZ8wCM. What is an Atom?. The simplest particle of an element that retains its properties.. Who is Democritus?. This Greek philosopher was among the first to suggest the existence of atoms . Pre-AP Chemistry. Charles Page High School. Stephen L. Cotton . Section 4.1 Defining the Atom. OBJECTIVES:. Describe. Democritus’s ideas about atoms.. Section 4.1 Defining the Atom. OBJECTIVES:. Explain. Science is based off of observations.. A Scientific Law is a summary of what is seen in observations. . A Scientific Theory is an explanation of why these observations are occurring.. Both laws and theories are tested by using them to predict what would happen in certain situations.. 1. What is an atom’s atomic radii?. 2. What happens to atomic radii across a period? Why?. 3. What happens to atomic radii as you move down a group? Why?. Practice problems, page 144. Ionization Energy. Matter describes anything that has . mass. and . volume. Can matter be invisible? . YES. Ex. . Air. Matter and Atoms. History of atoms. Democritus. Was a . Greek. philosopher in . 400 BC. Thought the universe was made of . Over the past century scientist have discovered that the atom is composed of 3 subatomic particles:. Protons. Neutrons. Electrons. Checking for understanding. Draw this diagram. Label all subatomic particles and include their charges.. Dr John Mitchell. ID1004: Approaches to Reality. For Years People Wondered …. What is the World Made of?. What is Matter?. I. s Water Made of the Same Stuff as Rock?. Is Matter Continuous?. Is Matter Continuous?. Daltons Atomic Theory. 1. All elements are composed of tiny . indivisible. particles called atoms.. 2. Atoms of the same element are identical. The atoms of one element are different from the atoms of another element.. Elements, Mixtures and Compounds. Atoms and molecules. Remember that an . element . is one type of atom, like carbon, gold or chlorine. We will look at three ways that atoms can exist.. 1. Single atoms. Review. Pollution & Recycling. Projects?. Next Physical Science Class. Jan. 8. th. Finals Class Jan. 15. th. 4 pm. .5 for passing the Final. All Power Points will be on line on my web site. You will be given back your notes, you can use the .