Atoms, Elements, and The Periodic Table I.S tructure of matter A. What is Matter? –M–M–M–Matter is anything that has mass and takes up space (Volume) B.

Slides:

Advertisements

Similar presentations

What is matter? Structure of Matter 1

Advertisements

The History of Atomic Theory A piece by piece progression through the structure of the atom.

Development of the MODEL of the ATOM. Way back – to the time of the Greeks Democritus ( BC) stated that all matter is made of tiny particles. He.

4-1: Introduction to Atoms

Atomic Theory “History of. . . ”.

Democritus: The Atom (around 400 BCE)

Democritus (460 BC-350BC) was a Greek philosopher who thought that all matter was made of tiny indivisible particles he called atomos.

The History of Atomic Theory

From Democritus to Today’s Modern Theory

History of Atomic Theory

History of Atomic Theory 1

AIM: Models of the Atom DO NOW:

The History of Atomic Theory

2.1 Atoms and Their Structure Objective Relate historic experiments to the development of the modern model of the atom. Illustrate the modern model of.

Atomic Structure History of Atomic Theory. Democritus ( BC) Was the first person to come up with the idea of atom Believed that all matter was.

Chapter 3 Atoms and Atomic Structure Write the bullets that are in black font.

Atoms and the Periodic Table Atomic Structure. What are atoms? Democritus –4 th century B.C.; Greek philosopher Suggested that the universe was made of.

Chapter 4: Glow in the Dark

The Atomic Model Chem 9.

Investigating Atoms and Atomic Theory

Development of our understanding of the atom. Early Models Democritus was first to suggest atom in 4 th century B.C. Believed matter was made of tiny.

Atomic Theory-Democritus

Chemistry Sheds Light on Our Lives Unit 4 Atoms and Light

Atoms and Moles Chapter 4 Approximately 2500 years ago Philosophers How many times can one divide something until there is nothing left?

Atoms, Elements, and the Periodic Table

Atomic Theory Chapter 3 Sections 1 &2 9/18/14.

The Development of the Atomic Theory

Atomic Models. JOHN DALTON Early 1800’s Thought atoms were smooth, hard balls that could not be broken into smaller pieces. All elements are made of atoms.

TITLE The Development of Atomic Theory. Early Ideas Democritus—Greece 400 B.C. His idea:  There was a limit to how far you could divide matter. You would.

 As early as 400 BC, a few people believed that atoms are the building blocks of all matter. Yet, until recently, even scientists had never seen evidence.

EARLY Atomic theories.

Atomic Structure Chapter 5 The Atomists: The first atomic theory 460 BCE: Greek Democritus suggested that matter is “ composed of minute, invisible,

Developing a Model of the Atom The History of Atomic Theory.

Atomic Structure. Way Early Theories Democritus ( BC) –First person to propose that matter is not infinitely divisible –Atomos –Matter is empty.

History of Atomic Structure Atoms: their parts & pieces.

Section 1- Discovering the parts of the atom

Atomic Theory “History of... ”. The Ancient Greeks Democritus and other Ancient Greeks were the first to describe the atom around 400 B.C. The atom was.

Atomic Structure and Modelling. General Structure central nucleus containing protons and neutrons, tightly packed central nucleus containing protons and.

Atomic Structure. 1. Democritus: Around 300 BC, a Greek philosopher, Democritus stated that everything is made up of tiny, invisible particles He said.

The Modern Nuclear Atom How did our concept of the atom come about, and how did it develop?

Investigating Atoms and Atomic Theory Describe the particle theory of matter. Describe the particle theory of matter. Use the Bohr model to differentiate.

History of the Atom Democritus Democritus: It was 400 BC when he came up with the idea that matter could not be divided indefinitely. This lead to the.

ATOMIC STRUCTURE REVIEW AND HISTORY OF THE ATOMIC MODEL Atomic Theory.

2.1 Atoms and Their Structure

Atoms and Their Structure Early Greek Theories 400 B.C. - Democritus crushed substances in400 B.C. - Democritus crushed substances in his mortar and.

How did the atomic theory develop and change into the modern model of the atom?

The History of Atomic Theory. Democritus Greek philosopher 2400 years ago The Atom Could matter be divided into smaller and smaller pieces forever? Or.

Atoms & Their Structure Chapter 2 Section 1 Part 1.

Atomic Models: Developing the Structure of the Atom.

The Atomic Model Chem 9. Atomic Model Atoms are so small that, even today, direct visual inspection is all but impossible. Our model of the atom is based.

A Brief History of the Atomic Theory. 460 B.C. : Democritus Greek Philosopher Proposed that matter cannot be broken down indefinitely At some point you.

Brief History of Atomic Theory. 1 st atomic models In 400 BC, the model looked like a solid indivisible ball In 400 BC, the model looked like a solid.

The History of the Atom. Aristotle  Aristotle was the first scientist that we have record of questioning what stuff was made of.  What did he think?

Chemistry What is chemistry? –Chemistry is the study of matter, what it is made of, and how it changes. What is matter? –Matter is anything that… Has.

Models of the Atom. Ancient Greece 300 BC in Greece School of thought that matter is made up of tiny indivisible, invisible, indestructible, fundamental.

Historical Development of an Atom. Democritus B.C Democritus was a Greek philosopher ( B.C.) who is the father of modern atomic thought.

CHAPTER THREE Atoms and Elements. Section 1: Structure of Matter  Matter is anything that has mass and takes up space.  Early Philosophers:  Earth.

The History of Atomic Theory. Democritus B.C. Believed the universe was made of empty space and tiny bits of stuff called atoms that couldn’t.

History of the Atomic Theory An atom is the smallest particle of an element that retains its identity in a chemical reaction. Our current theory of the.

History of the Atom and Periodic Table.  Around 400 B. C., Democritus claimed all matter was made of tiny, indivisible particles called “atoms”.  Aristotle.

DEVELOPMENT OF THE ATOMIC THEORY Atom- smallest particle into which an element can be divided and still be the same substance Called the building blocks.

Democritus Occupation: Philosopher Dates of Discovery: 460 – 370 B.C. What was Discovered: That the world is made up of empty space and tiny particles.

(greek for indivisible)

Chapter 11 Section 1 Development of the Atomic Theory

Atomic Theory A Brief History.

Unit 2: History of the Atom

Discovering the Atom.

Honors Coordinated Science II Wheatley-Heckman

Presentation transcript:

Atoms, Elements, and The Periodic Table I.S tructure of matter A. What is Matter? –M–M–M–Matter is anything that has mass and takes up space (Volume) B. What isn’t Matter? –L–L–L–Light and Heat do not take up space nor do they have a mass.

Atoms, Elements, and The Periodic Table C. What makes up matter? –Early Ideas: »_________________________________ _________________________________ ▫ Believed the universe to be made of ___________ and _______ were so small they could not be broken down any more ▫He Called the tiny pieces _______ ▫_____ in Greek means: “________________” “Atoms” Cannot be divided empty spacetiny bits Atom Democritus (460 B.C – 370 B.C.) A Greek Philosopher

Atoms, Elements, and The Periodic Table C. What makes up matter? –_______________________ »A French Chemist ( ) »Known as ___________________________ »Showed through experiments, that matter has the same ___________and _____ a change of state or form (ex.___________) »From his experiments came ____________________________ ▫ Matter is neither __________________ ▫__________________ from one form to another The father of Modern Chemistry Antoine L LL Lavoisier (la VWAH see ay) The law of conservation of matter created or destroyed mass beforeafter fire and rust Matter only changes Very Important! You will see this on CRT’s so HIGHLIG HT

Atoms, Elements, and The Periodic Table D. Models of the Atom –_______________ »An English Schoolteacher and chemist____________ »Proposed the first ______________ theory »The _______________________ contained five parts 1. All matter is __________________________________ _____________________________________________ 2. All ______ of a given ________ are __________ 2. All ______ of a given ________ are __________ 3. Atoms cannot be _____________________________ 3. Atoms cannot be _____________________________ 4. In chemical reactions, _________________________ ___________________________________________ 4. In chemical reactions, _________________________ ___________________________________________ 5. In chemical reactions, atoms combine with each other in ___________________________to form combined atoms 5. In chemical reactions, atoms combine with each other in ___________________________to form combined atoms John Dalton 1766–1844 modern atomic Atomic Theory of Matter Composed of very small particles called atoms AtomsElementIdentical created, destroyed, or subdivided atoms combine with or separate from other atoms simple, whole-number ratios

D. Models of the Atom –_______________ »_____________________________ »Conducted experiments using a _________________ »From his experiments he discovered _______ contained __________________________ ▫The negative charged particle is called an ________ ◦ An _________ is ______ the mass of the _______ atom, the _________ atom. ◦ Thomson’s model of the atom had electrons spread throughout a ____________________. Like _____________________________. J. J. Thomson Atoms, Elements, and The Periodic Table British Scientist 1856 – 1940 Cathode Ray Tube Atoms Negatively Charged Particles Electron Electron1/1,837Smallest Hydrogen ball of positive charge Chocolate chips in cookie dough

Atoms, Elements, and The Periodic Table D. Models of the Atom –_______________ »An _______________________1871 – 1937 »Known as the ______________________ »Was a student of _____________ »From experiments with X-Rays, he discovered the atom contained_______________________. These were called ________ »He also concluded the _____________ was found in the _________________. The center was called ____________ The Nucleus Ernest Rutherford New Zealander Physicist Father of Nuclear Physics J. J. Thomson Positive charged particles Protons positive charge center of the atom

Atoms, Elements, and The Periodic Table D. Models of the Atom –_________ »A _______________ 1885 – 1962 »Arranged __________ in atoms according to ____________ ▫ _________________ is closest to the nucleus and contains only __________ ▫__________________ are further from the nucleus and contain _____________ ▫ Many scientist thought the electrons traveled around the nucleus in orbits like planets around the sun. Later this was shown to be incorrect Niels Bohr Danish Physicist electrons Energy levels Lowest energy level 2 electrons Higher energy levels more electrons