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Atoms and Molecules

Atoms and Molecules. States of Matter. Let’s Take a Microscopic View of Different States of Matter. http://www.harcourtschool.com/activity/states_of_matter/. Plasma. Atoms. All matter, such as solid, liquid and gases, is composed of atoms. Atom. Atoms have three basic parts Proton

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Atoms and Molecules

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  1. Atoms and Molecules

  2. States of Matter Let’s Take a Microscopic View of Different States of Matter. http://www.harcourtschool.com/activity/states_of_matter/

  3. Plasma

  4. Atoms • All matter, such as solid, liquid and gases, is composed of atoms.

  5. Atom Atoms have three basic parts • Proton • Neutron • Electron

  6. Atoms

  7. Atoms Nucleus – is the center. There are two types of charges found in the nucleus. • Protons • Neutrons

  8. Protons & Neutron • Protons have a positive charge. • Neutrons have no charge.

  9. Electrons • Electrons have negative charge. • They are found circling the nucleus in paths called orbits.

  10. Facts on Atom • Protons have a positive charge equal in magnitude to the electron’s negative charge. • Neutrons have the same mass as a proton, but no charge.

  11. Atomic Number & Atomic Mass • Atomic Number – the number of protons in an atom. • Atomic Mass = Number of protons + number of neutrons. • Symbol – one or two letters that stand for the name of the element.

  12. Let’s Practice

  13. Refined Bohr’s Model

  14. Resources • http://lc.brooklyn.cuny.edu/smarttutor/core3_22/images/Atom_structure_new.gif • http://www.nsf.gov/news/special_reports/water/images/watermol_flash.jpg • http://en.wikipedia.org/wiki/Plasma_(physics) • http://ocw.mit.edu/OcwWeb/Nuclear-Engineering/22-611JIntroduction-to-Plasma-Physics-IFall2003/CourseHome/ • http://www.moonraker.com.au/techni/lightning-marine.htm • http://education.jlab.org/qa/atom_model.html • http://www.biblelife.org/heavymetal-atom.jpg • http://www.ipp.phys.ethz.ch/aboutus/_media/atom_zoom_b.jpg • http://www.cubicao.tk/nature/imgs/energymatter_05.jpg • http://www.cubicao.tk/nature/imgs/energymatter_06.jpg • http://misterguch.brinkster.net/subatomic%20particles.html • http://cutlerscove.com/kwg/knife-steel.htm • http://pt.chemicalstore.com/images/thumbnails/aluminum.gif

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