JEE Main · ChemistryEasy
Which of the following species is isoelectronic with the neon atom?
- A.
- B.
- C.
- D.
Show correct answer & step-by-step solution
Correct answer: A —
Solution
- The atomic number of neon is , so it has electrons.
- The sodium atom has electrons.
- The sodium ion is formed by losing one electron, resulting in $11 - 1 = 10$ electrons.
- Hence the answer is (A).
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