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Chemistry- Chp 4 - Atomic Structure - Study Guide

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Chemistry- Chp 4 - Atomic Structure - Study Guide

  1. 1. Name _______________________________________ Date ______________________ Chapter 4 Study Guide “Atomic Structure”• What is an atom? Use Dalton’s atomic theory in your explanation• What are the three subatomic particles?• What are the relative masses of the proton, neutron and electron?• What are the charges of the proton, neutron and electron?• Where in the atom are the three subatomic particles located?• What were the three conclusions of Rutherford’s Gold Foil Experiment?• What does the atomic number of an element equal?• What does the mass number of an element equal?• How do you find the number of neutrons in an atom if you have the atomic number and the mass number?• Know what the superscript and subscript of a complete symbol in elemental notion stand for• What is an isotope?• When naming isotopes? What does the number after the element’s name mean?• What unit is used to measure atomic mass? Why do chemists use this unit?• How do you calculate the average atomic mass of an elements isotope?• How is the periodic table of elements organized?• What is a period?
  2. 2. • What is a group?• What are the characteristics of metals?• What are the alkali metals? (What group are they in?)• What are the alkaline earth metals? (What group are they in?)• What groups are the transition metals in?• Where are the non-metals located on the periodic table?• What group are the halogens located in?• What group are the noble gases located in?

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