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Periodic Trends

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  • Which element has a larger atomic radius: Calcium (Ca) or Magnesium (Mg)?
    Calcium (Ca)
  • Which element has a higher ionization energy: Oxygen (O) or Sulfur (S)?
    Oxygen (O)
  • Which element has a lower ionization energy: Magnesium (Mg) or Calcium (Ca)?
    Magnesium (Mg)
  • Which element has a higher electronegativity: Sodium (Na) or Oxygen (O)?
    Oxygen (O)
  • Which element has a larger atomic radius?  Sodium (Na) or Lithium (Li)
    Sodium (Na)
  • Which element is more electronegative: Fluorine (F) or Chlorine (Cl)?
    Fluorine (F)
  • Which element has the lowest ionization energy in Group 2?
    Barium (Ba)
  • Which element has a lower electronegativity: Potassium (K) or Lithium (Li)?
  • Which element has the smallest atomic radius in Group 17?
    Astatine (At)
  • Which element has a larger atomic radius: Francium (Fr) or Cesium (Cs)?
    Francium (Fr)
  • Which element is more electronegative: Nitrogen (N) or Phosphorus (P)?
    Nitrogen (N)
  • Which element has a higher ionization energy: Boron (B) or Carbon (C)?
    Carbon (C)
  • Which element has the largest atomic radius in Period 2?
    Lithium
  • Which element has a smaller atomic radius: Aluminum (Al) or Gallium (Ga)?
    Gallium (Ga)
  • Which element has a larger atomic radius? Chlorine (Cl) or Bromine (Br)
    Bromine (Br)
  • Which element has the highest first ionization energy in Period 3?
    Magnesium (Mg)
  • Which element has a smaller atomic radius: Nitrogen (N) or Oxygen (O)?
    Oxygen (O)
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