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Now that we have talked about how atoms are combined to make other substances, let's talk about the particles that make up the atom. Particles that are smaller than the atom are called subatomic particles. The three main subatomic particles that form an atom are protons, neutrons, and electrons.
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www.ndt-ed.org/EducationResources/HighSchool/Radiograph...
www.ndt-ed.org/EducationResources/HighSchool/Radiography/subatomicparticles.htm
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Basics about atoms, including structure and behavior. ... The word atom is derived from the Greek word atom which means indivisible. The Greeks concluded that matter could be broken down into particles to small to be seen. These particles were called atoms...
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www.nyu.edu/pages/mathmol/textbook/atoms.html
www.nyu.edu/pages/mathmol/textbook/atoms.html
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Protons, neutrons and electrons. Protons have a relative mass of 1 and a charge of +1, they are found in the nucleus of an atom. Neutrons have a relative mass of 1 and no charge, they are also found in the nucleus. Electrons have a relative...
http://wiki.answers.com/Q/What_are_the_three_subatomic_...
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Chemistry question: What are the three major subatomic particles in an atom? Protons, Neutrons, Electrons ... What are the major subparticles of an atom? What subatomic particles found in every atom? Who discover the subatomic particles of atom? 3 subatomic particles location within the atom? What are subatomic particles of...
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wiki.answers.com/Q/What_are_the_three_major_subatomic_p...
wiki.answers.com/Q/What_are_the_three_major_subatomic_particles_in_an_atom
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YOU CORRECTLY ; CONSTRUCTED THE ATOM. TO RESTART repeat step1 ... drag and drop PARTICLES down ; TO CORRECT position on atom ... STEP1. select aTOM...
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www.mc.maricopa.edu/~johnson/animations/tims/periodicTa...
www.mc.maricopa.edu/~johnson/animations/tims/periodicTable1.swf
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But in the latter part of the 19th century and early part of the 20th, scientists discovered that atoms are composed of certain subatomic particles and that, no matter what the element, the same subatomic particles make up the atom.
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www.dummies.com/how-to/content/subatomic-particles-so-t...
www.dummies.com/how-to/content/subatomic-particles-so-thats-whats-in-an-atom.navId-323259.html?print=true
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A web site for students studying advanced chemistry courses in the UK ... So the total number of particles is 28. You work this out from the atomic number (proton number) and the mass number (total number of neutrons and protons) remembering that in an atom the number of electrons equals the number of protons.
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www.chemistry-react.org/go/Faq/Faq_12896.html
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Physics & Math / Subatomic Particles ... But unlike Bohr’s electrons, these were not electrons in the core of the atom. They were Rydberg electrons, far from the nucleus and uninfluenced by interactions with other particles. Furthermore, as they approached their parent atom, they shifted between their classical incarnation...
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discovermagazine.com/1995/nov/thephilosophersa582/artic...
discovermagazine.com/1995/nov/thephilosophersa582/article_print
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· Expectation: The alpha particles would scatter as they were deflected by the gold atoms, producing a pattern similar to spray from a nozzle. ... Rutherford named the tiny, dense, positively charged region at the center of the atom the nucleus.
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www.dmacc.edu/Instructors/dwvanderlinden/151-Chapter%20...
www.dmacc.edu/Instructors/dwvanderlinden/151-Chapter%207%20Notes.htm
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