ATOMS AND MOLECULES A Chemistry Seminar for the partial fulfillment of Formative Assessment â 4 ATOM The atom is a basic unit of matter that consists of a dense central…

Investigating Atoms and Atomic Theory Students should be able to: Describe the particle theory of matter. PS.2a Use the Bohr model to differentiate among the three basic…

Substitution Reactions In Aliphatic and Aromatic Compounds V. Sri Krishna A. Chakravarthy Substitution Reactions-Definition• Reactions which involve the replacement or…

A H I S T O R Y The Atom VOCABULARY  nucleus  shell  (to) set out  (to) make up  void  lead  sheet  Foil  deflection  bounced back  tiny…

Subatomic Particles The Modern Atomic Theory How it all began Large Hadron Collider Understanding atoms is key to understanding the physical world. More than 100 different…

Warm-Up What is the symbol for the following elements. Gold Au Aluminum Al Sodium Na Lithium Li 3-1 â Atomic Theories Objectives Describe the four main models of the atom…

Atomic Structure The structure of an atom The smallest particle of matter is called as an atom. Electrons, Protons and neutrons are the fundamental particles of the atom.…

ATOMIC THEORY Building blocks of matter In the beginning Empedocles: Earth, Fire, Water, Air DEMOCRITUS IN 400 BC,DEMOCRITUS SAID: ALL MATTER IS MADE UP OF TINY PARTICLES…

CHEMISTRY PROJECT BY COMPUTER CAREERS ATOMIC STRUCTURE Created by G.Baker www.thesciencequeen.net What is an Atom? Matter is anything that takes up space and has mass. All…

Atomos: Not to Be Cut The History of Atomic Theory Atomic Models This model of the atom may look familiar to you. This is the Bohr model. In this model, the nucleus is orbited…