Class 11 Chemistry The S Block Elements Anomalous behaviour of beryllium

Anomalous behaviour of beryllium

  • Anomalous behaviour of an element refers to the deviation of the properties and behaviour of an element from its usual or normal behaviour.

  • Beryllium has small atomic and ionic size.
  • The high ionization enthalpy andsmall size of alkaline earth metals results in the formation of covalent compounds that are easy to hydrolyze.
  • The coordination number of beryllium is not greater than 4 due to the presence of four electrons in the valence shell.
  • The oxide and hydroxide of beryllium are amphoteric in nature.

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