PPT-Atomic Structure Subatomic Particles

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. Which subatomic particles have a charge?. proton and electron. Which subatomic particles are the heaviest?. proton and neutron. Copper has 29 protons. If it has a +2 charge, how many electrons does it have?. 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?. Electron. -. ve. charged particle. Outside of nucleus. Thomson’s discovery. Mass = 9.11 x 10. -28. g. Charge = -1.76 x 10. 8. C (coulombs). Proton. +. ve. charged particle. Inside nucleus. Rutherford’s discovery. On your bell work . sheet, answer the following.. When . are zeros significant? . . When . do you use the fewest number of Significant Figures?. Objectives. The Structure of the Atom. Properties of Subatomic Particles. Textbook Pages 4-5. Lesson Objectives. Appreciate that there are various models to illustrate atomic structure. Know that early models of atomic structure predicted that atoms and ions with noble gas electron arrangements should be stable. Subatomic Particles. subatomic-lower (or smaller) than an atom. Protons-positive particles. Neutrons-neutral particles. Electrons-negative particles. Location of particles. Protons and neutrons are in the nucleus (core) of the atom.. 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.. 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. Chapter 3. Types of Models – Why do we use models?. Physical Model vs. Conceptual Model. Physical model. is a representation of a very large or small object shown at a convenient scale. . Ms. Millimet. August 15, 2013. Walk in classroom silently. Pick up papers that you need from side table then walk to your seat (Keep walking forward, do not turn around). Check board and Sit down at your desk. . How and why has the Atomic Theory changed over time? . How can we describe the molecular motion of the states of matter? . Objectives. Students will explain that atoms are the smallest unit of an element and are composed of subatomic particles.. How and why has the Atomic Theory changed over time? . How can we describe the molecular motion of the states of matter? . Objectives. Students will explain that atoms are the smallest unit of an element and are composed of subatomic particles.. 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.. 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 .