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Periodic Table Trends

  •   Game Code: 1791184
  •  English    16     Public
    8.5C Periodic tables
  •   Study   Slideshow
  • Why are noble gases nonreactive/ stable/ or least reactive?
    these atoms have full outershells.
  •  15
  • Why is the group alkali metals the most reactive metals?
    Alkali metals only have one valence electron.
  •  10
  • 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 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 atomic mass of the element
    the number of neutrons of the element
    the number of valence Electrons
  •  15
  • Why is this family, the Halogens, the most reactive NONMETAL family?
    They are 1 electron away from having a full outer shell.
  •  15
  • Which of the following is true for elements listed in the same column of the periodic table?
    they have similar chemical properties
    they have the same atomic mass
    they are identical
    they have the same number of protons
  •  20
  • Based on the Periodic Table, which of the following elements has physical and chemical properties most like potassium?
    Bromine
    Calcium
    Neon
    Sodium
  •  15
  • What property do sulfur and oxygen have in common?
    Sulfur and oxygen do not have any properties in common
    Both have 6 valence electrons
    Both are gases
    Both are metals
  •  15
  • When metals, nonmetals, and metalloids are compared according to luster, which is the best description of the appearance of metalloids?
    Shiny
    Dull
    Powdery
    Either Shiny or Dull
  •  15
  • Which of the following lists of properties best describes nonmetals?
    Brittle, shiny, conductor
    Brittle, dull, insulator
    Malleable, shiny, conductor
    Malleable, dull, insulator
  •  15
  • Is the blue section of the periodic table showing metals, nonmetals or metalloids?
    Metals
  •  15
  • Valence Electrons determine the __________________ .
    Chemical Properties or Reactivity of the atom.
  •  15
  • A student states that sodium (Na) has different chemical properties than magnesium (Mg).  Do you agree? Justify your answer.
    Sodium and magnesium have different numbers of valence electrons.
  •  15
  • What must be true of the element represented by the "X"?
    It will have chemical properties similar to Carbon.
    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
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