1. Democritus Abdera 460-370 B.C. He first attempted to create materialism. Everything is composed of atoms . 2. Antione Lavoisier 1772 Total mass of a product of a chemical…

1. ATOMIC THEORY Building blocks of matter 2. In the beginning Empedocles: Earth, Fire, Water, Air 3.   4. DEMOCRITUS IN 400 BC,DEMOCRITUS SAID: ALL MATTER IS MADE UP OFTINY…

1. Why is learning about the atom important….? The atom was considered to be an “imaginary” thing, something that people laughed at!Roosevelt trusted Einstein, and…

1. IntroductionMade By :- Sanyam OhraClass :- IX th A Submit To :- Veer Sir Roll No :- 20 2. Particles• Atoms• molecules 3. Whats an atom? Definition:A microscopic small…

1. Atomic Structure Early Atomic TheoryDemocritus (400 BC) suggested that the world was made of 2 thing empty space and tiny, invisible particles calledatoms . 2. Aristotle…

1. The Greeks History of the Atom • Not the history of atom, but the idea of the atom • In 400 B.C the Greeks tried to understand matter (chemicals) and broke them down…

1. 3.1 Atomic Structure Pages 70 - 76 2. Goal 1 Explain the historical progression of the atomic theory 3. 400 BCDemocritus Greek“ Happy philosopher” Geometry pioneer…

1. What Is Chemistry? What chemists try to do is discover the relationships between the particle structure of matter and the properties of matter we observe. Chemistry is…

Slide 1The Periodic Table H Li Na K Rb Cs Fr Be Mg Ca Sr Ra Ba F Cl Br I Uus At O S Se Te Uuh Po N P As Sb Uup Bi C Si Ge Sn Uuq Pb B Al Ga In Uut Tl ScTiVCrMnFeCoNiCuZn…

Slide 1Chapter Two: ATOMS, MOLECULES, AND IONS Slide 2 Copyright © Houghton Mifflin Company. All rights reserved. Chapter 2 | Slide 2 Early History of Chemistry Greeks were…