Question

write the electronic configuration of Na+ and cl-1​

Answer 1

Answer:

Electronic configuration of Na+ is :

2,8 ( as it lost one electron to complete its valence shell ).

Electronic configuration if Cl- is :

2,8,8 ( as it gain one electron to complete its valence shell ).

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Answer 2

Answer:

Electronic configuration of Na⁺ is [Ne] 3s⁰ and Cl⁻ is [Ne]3s¹3p⁶.

Explanation:

• The Sodium with atomic no. 11 has electronic configuration=[Ne] 3s¹

                            Na  →  Na⁺  +  e⁻

  Na⁺ has electronic configuration  [Ne] 3s⁰, after removing one electron   from 3s orbital.  

• The Chlorine with atomic no. 17 has electronic configuration=[Ne] 3s¹3p⁶.

                            Cl   +   e⁻ →   Cl⁻

Cl⁻ has electronic configuration [Ne]3s¹3p⁶, after accepting one electron   in its 3p orbital.