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THE ATOMIC BOMB Atomic Fission or Atomic Fusion
EARTH AIR FIREWATER MOIST HOT COLD DRY EARLY GREEK IDEA OF MATTER Believed in endless divisablity
Democritus: a Greek Philosopher “Happiness resides not in possessions and not in gold; the feeling of happiness dwells in the soul.”
Democritus: A Greek Philosopher who first had the idea that all matter was made up of small parts that could not be subdivided. Atoms: A Greek Idea
“Atomos”- Greek meaning Indivisable Atoms: A Greek Idea Democritus called these tiny parts
MATTER: any substance that has mass and takes up space.
ATOMS: The smallest part of matter. Atoms are the building blocks of matter. If an atom were the size of a baseball the size of an actual baseball would be 3044 miles high!!
Atom Facts 1. # of Electrons = #of Protons 2. # of Negative Charges = # of Positive Charges 3. # of Protons + # of Neutrons = Weight of Atom
CHEMISTRY 112 Atomic Structure. Early Models of the Atom An atom is the smallest particle of matter that retains its identity in a chemical reaction Democritus.
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Matter & The Atom. Matter The term matter describes all of the physical substances around us Anything that has mass and volume (takes up space)
Determining the NUMBER of Protons Electrons and Neutrons in Atoms, Ions, and Isotopes.
The Development of the Atomic Theory
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.
Matter & The Atom. Matter The term matter describes all of the physical substances around us: your table, your body and a pencil Anything that has mass.
Development of the Atomic Theory
ATOMS, IONS AND ISOTOPES…OH, MY!. ATOMS Smallest part of matter Made of proton (+) Neutron (neutral/0) Electron (-)
End Show Slide 1 of 18 © Copyright Pearson Prentice Hall Defining the Atom > Early Models of the Atom An atom is the smallest particle of an element that.
Chapter 3 Atoms and their structure History of the atom n Democritus, a Greek philosopher, originally came up with the idea of an atom (around 400 BC)
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MATTER What is Matter? What are the Parts of an Atom? How do you Read the Periodic Table of Elements?
The Atom. Matter Is anything that has weight and takes up space. Is anything that has weight and takes up space. All matter is made of atoms. All matter.
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Matter & The Atom. Matter The term matter describes all of the physical substances around us: your table, your body, a pencil, water, and so forth.
Atomic Structure. 1. Democritus: Around 300 BC, a Greek philosopher, Democritus stated that everything is made up of tiny, invisible particles He said.
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Chapter 3 Atoms: The Building Blocks of Matter. Objectives: Students should be able to: Summarize the essential points of Dalton’s atomic theory. Describe.
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.
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ATOMIC STRUCTURE THE ATOM. After completing this topic you should be able to : ATOMIC STRUCTURE THE ATOM State that every element is made up of very small.
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