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Periodic Table Trends

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    8.5C Periodic tables
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  • Why do noble gases have inactivity (stability)?
    these atoms have full outershells.
  •  15
  • Based on the periodic table what do you know about these elements?
    They all have the number of energy levels/shells.
  •  20
  • A researcher wants to experiment with an element that reacts like sulfur (S) but has a greater atomic mass. Which elements should the researcher select for the experiment?
    Selenium, Tellurium, Polonium
  •  25
  • What is the family group # and period for this element?
    group 5. period 2
  •  15
  • What characteristic of an element is the best indicator for determining what other elements it will react with?
    The number of neutrons of the element
    The number of protons in the element
    The atomic mass of the element
    the number of valence Electrons
  •  15
  • Which of the following is true for elements listed in the same column of the periodic table?
    atoms are the same size
    have the same number of protons
    mass of their atoms are similar
    they have similar chemical properties
  •  20
  • Based on the Periodic Table, which of the following elements has physical and chemical properties most like potassium?
    Calcium
    Bromine
    Sodium
    Neon
  •  15
  • What common property do sulfur and oxygen have in common?
    Both are gases
    Both have 6 valence electrons
    Sulfur and oxygen do not have a common property
    Both are metals
  •  15
  • When metals, nonmetals, and metalloids are compared according to luster, which is the best description of the appearance of metalloids?
    Either Shiny or Dull
    Dull
    Powdery
    Shiny
  •  15
  • Which of the following lists of properties best describes nonmetals?
    Brittle, dull, insulator
    Malleable, dull, insulator
    brittle, shiny, conductor
    malleable, shiny conductor
  •  15
  • What color is the blue section of the periodic table.
    The Metals
  •  15
  • Valence Electrons determie the __________________ .
    Chemical Properties or Reactivity of the atom.
  •  15
  • A student hypothesizes that sodium (Na) has different chemical properties than magnesium (Mg). Why would they think that?
    Sodium and magnesium have different numbers of valence electrons.  They are in different groups
  •  15
  • What must be true of the element represented by the "X"?
    It will have chemical properties similar to C.
    It will have 28 protons
    It will have a mass greater than 30.
    It will have 6 total electrons.
  •  15
  • What period is this element in?
    Period 4
  •  15
  • What 2 groups are the most reactive?
    Groups 1 and 17 (7A)
  •  15