Atomic History and Structure:

Feb 04, 2013

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What comes to mind when you think of the term atom"?. How do we know what we know about atoms? List any people you can think of.. Thales of Miletus (600BC). Noticed what we call static electricity with amberThings would be attracted to it when rubbedIt was a magical property"The term electron c

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Atomic History and Structure:

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Atomic Structure and Relative Masses

1. Atomic Structure and Relative Masses. 1.1 The Atomic Nature of Matter 1.2 The Experimental Evidence of Atomic Structure 1.3 Sub-atomic Particles 1.4 Atomic Number, Mass Number and Isotopes 1.5 Mass Spectrometer 1.6 Relative Isotopic, Atomic and Molecular Masses. 1.1.

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ATOMIC STRUCTURE

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Atomic Structure

Atomic Structure. History - Crooks to Chadwick. Mr. Shields Regents Chemistry U01 L02. History of the Atom. In the period between the mid 1800’s to early 1900 ‘s our understanding of Atomic Structure. Increased Dramatically. William Crooks (1832 -1919).

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Atomic Structure

Atomic Structure. 4-1 Studying Atoms. What was Dalton’s theory of the structure of matter? What contributions did Thomson and Rutherford make to the development of atomic theory?. Ancient Greek Models of Atoms.

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Atomic History Timeline

Atomic History Timeline. Major Contributors Main Discoveries. Objectives. 4.1.1) List the main points of Dalton’s Atomic Theory and describe which parts are still believed to be true 4.1.2) Explain the atomic models of the following scientists: Dalton, Thomson, Rutherford, Bohr, Schrödinger

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Cobalt

Cobalt. By Selena Pineda. Facts. Located on the periodic table, period 4 group 9 Symbol: Co Atomic number: 27 Atomic mass: 58.93 Transition metal . Atomic structure. 27 protons 32 neutrons 27 electrons 4 energy levels, 2, 8,15,2. History .

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Atomic Structure. Unit 2. Overview. Atomic Theory John Dalton Law of Conservation of Mass Law of Definite Proportions Law of Multiple Proportions Ernest Rutherford Robert Millikan J.J. Thompson Atomic Structure Protons, neutrons, electrons Atomic number Isotopes

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1 st - Atomic History & Atomic Structure

1 st - Atomic History & Atomic Structure. History. Democritus named the most basic particle atom - means â€œindivisible Aristotle didnâ€™t believe in atoms thought matter was continuous. History. by 1700s, all chemists agreed: on the existence of atoms

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Atomic Structure and Atomic Spectra

Atomic Structure and Atomic Spectra. Chapter 10. Spectra of complex atoms. Energy levels not solely given by energies of orbitals Electrons interact and make contributions to E Singlet and triplet states Spin-orbit coupling. Fig 10.18 Vector model for paired-spin electrons.

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Atomic Structure

Atomic Structure. Atoms and their structure. History of the atom. Not the history of atom, but the history of the idea of the atom Original idea Ancient Greece (400 B.C..) Democritus and Leucippus - two Greek philosophers. History of Atom. Smallest possible piece?

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History of the Atom & Atomic Structure

Atomic Structure. History of the Atom & Atomic Structure. History of the Atom. Democritus (460 BC – 360 BC) Ancient Greek philosopher No experiments performed! Major Contribution: The Atom He proposed that everything was made of these atoms and they were all indivisible

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Atomic Structure

Atomic Structure. Atomic Structure. Atoms are made out of: Protons Neutrons & Electrons These are known as subatomic particles. Atomic Structure. Subatomic particles have charge Protons are positive (+) Neutrons are neutral (0) Electrons are negative (-). Atomic Structure.

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ATOMIC STRUCTURE. This Powerpoint is hosted on www.worldofteaching.com Please visit for 100’s more free powerpoints. S.MORRIS 2006. HISTORY OF THE ATOM. Democritus develops the idea of atoms. 460 BC.

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Atomic Structure

Atomic Structure. Unit II—Part 3. What is an atom?. Atom: the smallest unit of matter that retains the identity of the substance First proposed by Democratus. Atomic Structure. Atoms are composed of 2 regions: Nucleus: the center of the atom that contains the mass of the atom

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Atomic Structure

Atomic Structure. Stepwise Timeline of Atomic Theory. Rutherford 1911. Dalton 1803. Modern Theory. Thomson 1897. Bohr 1913. Chadwick 1932. Democritus ~ 460 B.C. to 360 B.C. Who Greek Philosopher What Atoms cannot be created, destroyed or divided. How Observing nature.

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Atomic Structure

Atomic Structure. Unit 3. History of the Atom. 400 B.C. – Democritus & Leucippus Beach  sand  smaller piece of sand  atomos (indivisible) Everything is composed of imperishable, indivisible elements called atomos. Aristotle’s views. All substances are made of 4 elements

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The Atom

The Atom. Chapter 4. History of the Atomic Theory A. Democritus B. Aristotle C. Lavoisier D. Proust E. Dalton F. Modern Atomic Theory History of Atomic Structure A. Thomson B. Milikan C. Rutherford D. Bohr E. Chadwick F. Quantum Atom Subatomic Particles

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The Atom. Lecture 1. Atomic Structure & Its History. Much of what we know about atomic structure today is the result of indirect observation of atoms and the particles of which they are composed. Atomic Structure & Its History.

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Atomic Structure

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Atomic Structure Notes

Atomic Structure Notes. Atomic Structure Notes. An atom is not the smallest particle of matter Atoms are the smallest type of unique matter All atoms are made up of subatomic particles which are identical in all atoms. Atomic Structure Notes.

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Atomic History and Structure:

Atomic History and Structure:

Presentation Transcript

Atomic Structure and Relative Masses

ATOMIC STRUCTURE

Atomic Structure

Atomic Structure

Atomic History Timeline

Cobalt

Atomic Structure

1 st - Atomic History &amp; Atomic Structure

Atomic Structure and Atomic Spectra

Atomic Structure

Atomic Structure

History of the Atom &amp; Atomic Structure

Atomic Structure

ATOMIC STRUCTURE

Atomic Structure

Atomic Structure

Atomic Structure

The Atom

The Atom

Atomic Structure

Atomic Structure Notes

1 st - Atomic History & Atomic Structure

History of the Atom & Atomic Structure