Department of Pre-University Education, KarnatakaPUC Karnataka Science Class 11

Group 2 Elements - Alkaline Earth Metals

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  • General characteristics of alkaline earth metals
  • Electronic configuration of group 2 elements
  • Occurrence of group 2 elements
  • Atomic and ionic radii of group 2 elements
  • Ionization enthalpy of group 2 elements
  • Electropositive character
  • Electronegativity
  • Hydration enthalpy
  • Physical properties of group 2 elements
  1. Nature and appearance
  2. Density
  3. Conductivity
  4. Melting and boiling points
  5. Characteristic flame colour
  6. Atomic and physical properties of group 2 elements
  • Chemical Properties - Reactivity towards air and water, halogens, hydrogen, Reducing nature, Covalent and ionic character, Solubility.
  • Distinctive behavior of beryllium 
  • Solutions in liquid ammonia
  • Reducing nature
  • Reactivity towards acids
  • Uses: beryllium, magnesium, calcium, barium, radium
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