Atoms What is an atom? cale/ cale/ How did we discover the.

Slides:

Advertisements

Similar presentations

The Structure of an Atom

Advertisements

Jeopardy Atomic Models Atomic Particles Calculate Particles Isotopes Valence Electrons Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $200 Q $300 Q $400.

Atomic Structure Topic 3.

Theories and Structure of the Atom. Dalton’s Atomic Model (1805) Dalton’s model of the atom was an indivisible sphere of matter. Dalton’s Contributions:

Atomic Mass & Number Isotopes The Periodic Table.

Atoms Atomic Mass/Number Ions/Charges of Molecules Isotopes/Perc ent Abundance

10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5 pt History.

Atomic Theory Atoms are incredibly small!

History of Atomic Structure

History Behind the Atomic Theory

Chapter 5 Review. Atomic Theory/Scientists Who was the first person to theorize the existence of the atom in 400 BC? Who was the first person to theorize.

Review Races! Chemistry Round 1 1)Find the number of protons in Chromium-52 2)Determine the #of neutrons in Argon-40 3)Find the atomic number.

FAMOUS SCIENTISTS ATOMIC MASS ATOMIC NUMBER ATOMIC.

The Structure of the Atom

ATOMIC STRUCTURE NEUCLONS ELECTRONSPARTICLES HISTORY STABLE or not ELEMENTS $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500.

Protons - positive charge Neutrons - no charge Nucleus - Electrons negative charge 1st energy level holds a maximum of 2 electrons (e 1-

Chapter 3. Brief History of Electricity 1. Ancient Greeks discovered that if a piece of amber were rubbed with fur- pieces attracted each other. Later.

History of Atomic Theory

The Structure of the Atom

Review Scientist who discovered the electron using the cathode ray tube –Thomson Scientist who used the oil drop experiment to discover the charge on the.

Section 3.3 Atomic Structure Dalton described the atomic nature of matter – is that the end of the story?

Development of Atomic Theory In 440 BC, Democritus, a Greek Philosopher theorized that if you cut an object in half, then cut that one in half, you would.

History of Atomic Theory. Matter  The things around you that are matter (tables, air, people) consist of different types of atoms.

1 The Atom, in a nutshell…. 2 Democritus (c. 460—370 BC) Greek philosopher  The name atom was his idea  Proposed matter is made up of small particles.

The Structure of an Atom Chapter 3. Early Theories Greek Philosophers –4 Elements Air Fire Wind Water –Democritus Atoms make up matter –Aristotle Refuted.

The Chemical Behavior of Atoms Day 1. Curriculum  Big Idea: Atomic theory is the foundation for the study of chemistry.  Concept: Energy is absorbed.

Daily science- pg. 30  Create a table like the following on page 30 in your notebook. Label this page History of the Atom. Leave a few lines for each.

Atom Review 1.What are the 3 subatomic particles? 2.What atom is the amu based on? 3. What is located in the nucleus of the atom? 4. What is the nuclear.

CHAPTER 4 Atomic Structure. Atoms An atom is the smallest particle of an element that retains its identity in a chemical reaction.

Review of Atomic Theory History. Structure of an Atom A carbon atom consists of protons and neutrons in a nucleus that is surrounded by electrons. - Introduction.

HISTORY OF THE ATOM MODERN THEORIES OF ATOMIC STRUCTURE.

CHEM-TO-GO LESSON 5: BASIC ATOMIC STRUCTURE CONVERSATION STARTER Materials: 1)Periodic table and Basic Atomic Structure video notes 2)Unit 2 Practice Packet.

Dalton’s Atomic Theory. The Scanning Tunneling Electron Microscope.

Atomic Theory The Who’s Who of Atoms. Democritus ~460 BCE. Defined atom as the “smallest bit of matter. 100 years later, Aristotle dismissed his idea.

History of Atomic Theory

Atomic Structure Test Review 166 point total. 1.The atomic number is the number of protons. 2. The mass number is the number of protons and neutrons.

The Atom. Dalton’s Atomic Theory 1.Elements are made of tiny particles called atoms. 2.All atoms of a given element are identical. 3.The atoms of a given.

Chapter 3 review With chalkboards. What is this called? z X A.

The Atom and Elements. 2 Democritus ( BC) John Dalton ( ) Joseph John Thomson ( ) Published the atomic theory: 1.Elements were.

Atomic Structure and Theory Scientists What’s the Matter?

Discussion: Three Atomic Models of the Atom. Some people believe that theories never change. That isn’t true. Theories change until we get it right. The.

1. John Dalton agreed with Democritus that atoms exist. What were the main concepts of his theory? 2. Through what experiment was JJ Thomson able to provide.

Inside The Atom 8 th 2.1 The Story of the Atom. The Story of the Atom Element – substance that cannot be broken down into simpler substances Element –

The Atom, Periodic Table, and Chemical Reactions Mrs. Hooks Unit 3.

Rev 6/7/ BC Atomic Model Development.

CP Chemistry Chapter 8 Atomic Theory Subatomic Particles Protons Protons Neutrons Neutrons Electrons Electrons.

Atomic Theory Development DALTON Atom theory with hard spheres Experimental evidence Law of definite proportions BOHR e- energy levels CHADWICK neutron.

Section 3.3 Atomic Structure Objectives 1.To learn about the internal parts of an atom 2.To understand Rutherford’s experiment 3.To describe some important.

Introduction to Atoms. What is the smallest particle into which an element can be divided and still be the same substance? A. electron B. neutron C. proton.

{ Atom and Isotope Review Physical Science. An atom has 6 protons, 8 neutrons, and 6 electrons. What is the atomic mass?

What has a charge of +1?. What has a charge of +1?

Unit 3: Atomic Structure. Atomic Structure  element  matter that is composed of one type of atom  atom  the smallest particle of an element that still.

Unit 3 – Atomic Structure. Chapter 3 section 1 Two early thoughts on atomic structure Aristotle Democritus.

Drawing the Atom.

Part A: Atomic Structure

Nitrogen Aluminum Sodium-23 Sodium-25 Quick Question:

Research on Scientist 9/25 In your composition book, use the title above, update your Toc & Follow the directions for what you need to find from your.

Progression of Atomic Models

Unit 3 Atomic Structure.

The Periodic Table G R O U P S P E R I O D S.

ATOMIC STRUCTURE CHAPTER 17.

J.J. Thomson Mass number Quarks Atom Democritus Isotopes.

31P 14C C1 Particles Links Keywords C1.2 Atomic Structure  

Chapter 11 Review Start.

What is the periodic table of elements?

Atom, Bohr-Rutherford, and the Periodic Table

ATOMIC STRUCTURE.

Structure of an atom.

Presentation transcript:

Atoms What is an atom? cale/ cale/ How did we discover the atom? What do we already know about it?

History of the Atom Democritus Dalton JJ Thompson Rutherford Bohr Other Scientists

Group Presentations 3 minutes to get with group Research the assigned scientist and their contribution to our knowledge of the atom Fill out the table about your scientist Make a poster representing that information 20 minutes – present to class

Short Cartoon about History of Atom TED Ed Talk on Size of the Atom

Thompson Veritasium: Thompson's Cathode Ray Experiment Veritasium: Thompson's Cathode Ray Experiment

Rutherford Rutherford Gold Foil Experiment Animation

Jan. 14 Warm Up In labbooks, answer the following questions: 1.Who was the first to think of a particle so small it could not be divided anymore? DEMOCRITUS 2.Who discovered protons? RUTHERFORD 3.Who used a glass tubing to find electrons? THOMPSON 4.What does Bohr’s model most closely represent? PLANETARY MODEL

Review Crash Course Video: History of the Atom

So how far have we come?

Bohr Model – Model to describe atom

Arrangement of Atoms 100+ atoms, how do we organize them? How could we organize them?

Interactive Periodic Tables

Reading Element Square atomic number (Z); # of protons atom symbol atomic mass (# of P + # of N)

Atomic Number Atomic number (Z) Atomic number (Z) of an element is the number of protons in the nucleus of each atom of that element.

Mass Number Mass number Mass number is the number of protons and neutrons in the nucleus of an isotope. Mass # = p + + n 0

Drawing the Atom

Practice Which element has 4 protons? Which element has a mass of 65 amu? Which element has the symbol Ag? Give an example of an element that has a full energy shell How many electrons does N have? How many neutrons does Ca have?

Practice Drawing Atoms H He Li Be B C N O F Ne Na