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Question

What is the valency of boron?


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Solution

Valency

  • The valency of an atom refers to its ability to combine with other atoms.
  • The valency of an element determines the number of bonds that an atom can make as part of a complex.
  • The electrons in the atom's outermost orbit are referred to as valence electrons.

Valency of boron

  • Boron has an atomic number of 5.
  • Boron has total 3 valence electrons.
  • It will lose 3 electrons rather than gain 5 electrons to complete its octet.
  • As a result, the valency of boron is 3.
  • The outer shell has three electrons, which is less than five, it must release or donate these electrons to maintain stability, according to the octet rule: two electrons in the K shell; three electrons in the L shell.

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