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Question

The atomic number of an element is 16. Predict its valency


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Solution

Valency - Prediction

  1. Valency is the number of electrons present in their outermost or valence shell.
  2. The atomic number refers to the number of protons in an atom's nucleus. The number of protons determines an element's identity.
  3. The given element's atomic number is 16. As a result, its electronic configuration would be (2,8,6).
  4. The given element's valency is two since the outer shell has six electrons. And it needs 2 more electrons to fulfill its octet

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