S.MORRIS 2006 HISTORY OF THE ATOM 460 BC Democritus develops the idea of atoms he pounded up materials in his pestle and mortar until he had reduced them to smaller and smaller…

1. CHEMISTRY PROJECT BY COMPUTERCAREERS 2. ATOMIC STRUCTURE 3. What is an Atom? • Matter is anything that takes up space and has mass. • All matter is made of atoms •…

Slide 1 Part II Slide 2 1897 - Discovers the Electron Experimented with cathode rays Took a glass tube and pumped most of the air out of it. Applied a high voltage that traveled…

Slide 1 Slide 2 S.MORRIS 2006 This Powerpoint is hosted on www.worldofteaching.comwww.worldofteaching.com Please visit for 100’s more free powerpoints Slide 3 HISTORY OF…

S.MORRIS 2006 HISTORY OF THE ATOM 460 BC Democritus develops the idea of atoms he pounded up materials in his pestle and mortar until he had reduced them to smaller and smaller…

S.MORRIS 2006 Papercuts This piece of paper is 28cm x 2.5 cm How many times would you have to cut this piece of paper to be the same width as an atom? Once you cut a piece…

The History of the ATOM Who are these men? In this lesson, weâll learn about the men whose quests for knowledge about the fundamental nature of the universe helped define…

Theories Change ⦠The Atomic Theory of Matter states that all matter is composed of small, fast moving particles called atoms. These atoms can join together to form molecules.…

Definition of Atoms Atoms are the fundamental building blocks of all matter, not able to be split by ordinary chemical reactions greek word atomos which means “indivisible”.…

Basic chemistry lesson Chemistry More free powerpoints at www.worldofteaching.com Atomic Structure, Bonding, Periodic Table, Acid/Base What is Matter? Matter = any material…