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Question

What is the valency of silicon with atomic number 14?


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Solution

Valency

  • The combining capacity or power of an atom is known as its valency.
  • The number of bonds that an atom can form as part of a compound is expressed by the valency of the element.
  • Given the atomic number of silicon as 14.
  • The electronic configuration of the silicon is 1s22s22p63s23p2.
  • The outermost shell 3s23p2 contains 4 electrons in silicon, its valency is 4.

Hence valency of silicon is 4.


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