Department of Pre-University Education, KarnatakaPUC Karnataka Science Class 11
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Group 1 Elements - Alkali Metals

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  • Electronic configuration of group 1 elements
  • Occurrence of group 1 elements
  • Atomic and ionic radii of group 1 elements
  • Ionization Enthalpy
  • Electropositive character
  • Electronegativity
  • Hydration Enthalpy
  • Physical properties of group 1 elements
  1. Nature and appearance
  2. Density
  3. Conductivity
  4. Melting and boiling points
  5. Photoelectric effect
  6. Characteristic flame colour
  7. Atomic and physical properties of group 1 elements
  • Chemical Properties - Reactivity towards air, water, dihydrogen, halogens, Reducing nature, Solutions in liquid ammonia
  • Uses of alkali metals: lithium, sodium, potassium
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