Question

why lithium and beryllium are covalent nature ​

Answer 1

Answer:

Lithium belongs to the family of Alkali metals whereas Beryllium belongs to the family of Alkali Earth Metals. In order to form ionic bonds an atom must lose electron easily to become positively charged ion or Cation. ... The lesser the ionization enthalpy the easier it is to form a cation and thus ionic bond.

Answer 2

$\huge{\red{\underline {\underline {Answer:-}}}}$

Lithium belongs to the family of Alkali metals whereas Beryllium belongs to the family of Alkali Earth Metals. In order to form ionic bonds an atom must lose electron easily to become positively charged ion or Cation. The lesser the ionization enthalpy the easier it is to form a cation and thus ionic bond.

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