Chemistry, asked by kaushiki375, 1 month ago

Define monovalent, divalent,trivalent and tetravalent elements with 2 examples for each ?


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Answers

Answered by lasya00123
0

Answer:

Monovalent:

An atom, ion, or chemical group with a valence of one, which thus can form one covalent bond is called monovalent.

Examples:

Atoms that are monovalent are

  • Hydrogen
  • Lithium
  • Sodium

Divalent:

An atom, ion, or chemical group with a valence of two, is called divalent.

Examples:

Atoms that are divalent are

  • Beryllium
  • Oxygen
  • Magnesium

Trivalent:

An atom, ion, or chemical group with a valence of three, is called trivalent.

Examples:

Atoms that are trivalent are

  • Boron
  • Nitrogen
  • Aluminium

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