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NDA 2019 GAT · General Knowledge · Atomic Structure, Periodic Table and Bonding · easy

An element has atomic number 16. The number of valence electrons in its atom is

Single correct option

An element has atomic number 16. The number of valence electrons in its atom is
  1. A. 6
  2. B. 2
  3. C. 8
  4. D. 16
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Answer: (A) 6

The electronic configuration of atomic number 16 is 2, 8, 6. The outermost shell holds 6 electrons, so this is a Group 16 element (sulphur). The value 8 is the capacity of the second shell and 16 is the total number of electrons.
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Original question written in the NDA 2019 GAT pattern and checked twice for the correct answer. Not an official question paper. How we write and check questions · Corrections policy · Report a mistake