Question 2 - Past Year - 2 Mark Questions - Chapter 5 Class 10 - Periodic Classification of Elements

Last updated at April 16, 2024 by

Write the name, symbol and electronic configuration of an element X whose atomic number is 11.

 

Answer

Atomic number of X is 11

Therefore, its electronic configuration will be: 2,8,1

The name of this element is Sodium, symbol: Na

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