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The Atom

The Atom. The Atom. LOL. I D K. M Y O B. The Atom. Structure of the Atom Scientists use shorthand for Element names First letter of the name and a small letter Not all names are in English Atoms consist of: A nucleus Protons and Neutrons Electrons. The Atom. The Atom. The Atom.

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The Atom

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  1. The Atom

  2. The Atom LOL I D K M Y O B

  3. The Atom • Structure of the Atom • Scientists use shorthand for Element names • First letter of the name and a small letter • Not all names are in English • Atoms consist of: • A nucleus • Protons and Neutrons • Electrons

  4. The Atom

  5. The Atom

  6. The Atom

  7. The Atom

  8. The Atom http://www.nexusresearchgroup.com/fun_science/elements.htm

  9. Parts of the Atom http://www.airpower.maxwell.af.mil/airchronicles/aureview/1984/jul-aug/roberds1.jpg

  10. Parts of the Atom http://www.chemistryland.com/ElementarySchool/BuildingBlocks/HeliumAtom2.jpg

  11. The Parts that make up the Parts Quarks

  12. The Parts that make up the Parts All matter is made up of a combination of two types of Quarks. The Up Quark. The Down Quark. 3 Quarks in a Proton. 3 Quarks in a Neutron.

  13. The Atom • Proton • UUD • Neutron • UDD

  14. History of Atomic Theory

  15. History of Atomic Theory

  16. History of Atomic Theory

  17. History of Atomic Theory

  18. History of Atomic Theory http://www.jdenuno.com/Chemistry/AtomModels.pdf

  19. History of Atomic Theory

  20. History of Atomic Theory

  21. History of Atomic Theory

  22. History of Atomic Theory

  23. The Atom The unit of mass used is the AMU (atomic mass unit) Roughly equal to the mass of one proton or neutron. Defined as 1/12 the mass of a carbon atom with 6 protons & 6 neutrons Almost all of the mass of an atom is in the nucleus.

  24. The Atom The number of protons Identify the Element. The Mass number is the number of protons plus the number of neutrons. Isotopes – atoms of the same element with a different number of neutrons. Average Atomic Mass

  25. The Atom • The Periodic Table • An organized list of the elements based on repeated patterns of properties. • Although many scientists have • contributed to the development • of the periodic table the first • recognizable table was developed • By Dimitri Mendeleev

  26. The Atom Mendeleev’s table organized the elements by atomic mass. His table allowed Him to predict the existence of elements that were unknown at that time. A problem exists with his table.

  27. The Atom The modern periodic table organizes the elements by atomic number.

  28. The Atom Shape of the table is dictated by the electron structure of the elements.

  29. The Atom Atomic number increases from left to right and from the top to the bottom of the table. Each row (period) on the table is equivalent to an energy level or shell in the atom. Each column (group) on the table contains elements with similar properties.

  30. The Atom • Electron Dot Diagrams • A way of showing how many electrons are in the outer shell of the atom.

  31. The Atom

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