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Name:______________________________________________Period:______#:_______ BEAT Chemistry! (BE Able To): Atoms Explain the five parts of Dalton's Atomic Theory and know which parts are still true Describe the subatomic particles, including their properties, how and when they were discovered, and where they are located Proton Neutron Electron Charge Location in atom Who discovered particle Explain Rutherford's Gold Foil Experiment, J.J. Thomson plum pudding model, Dalton’s model, Bohr’s model, and the Quantum Mechanical Model. Explains any experiments run and conclusions drawn from each experiment. Refer to your notes and homework. Daltons Model 2016-2017 Thomson’s Model Rutherford’s Model Niels Bohr Model Quantum Mechanics Model Fill in the table below Element Atomic Number Mass Number Atomic Mass Protons Electrons Neutron Indium 49 66 Vanadium 23 28 Vanadium 23 50 Tin, Sn2+ 50 119 Hyphen notation Ion Define isotope and explain how isotopes are similar and different. Determine the number of protons, neutrons and electrons in isotopes written in general format and hyphen notation. Isotope General format Number of protons Number of electrons Number of neutrons Mass Number Ti-46 Ti-47 In Tungsten-184, 184 represent the mass number? What does the mass number tell us? Are the following atoms electrically neutral or do they carry a charge and represent an ion? Electrically neutral and why? OR Charge on the ion and why 5 protons and 5 electrons 7 protons and 10 electrons 12 protons and 10 electrons 2016-2017 Circle the following which are isotopes of each other. 7 3𝑋 6 3𝑋 6 4𝑋 8 3𝑋 Mole Conversions: A. What is the number of grams in 8 moles of Oxygen (O)? B. How many atoms are in 5 moles of Helium (He)? C. If you have 5.5 Kilograms of Hydrogen (H), how many atoms of Hydrogen do you have? (Don’t forget to convert from kilograms to grams!) 2016-2017