Statement (A) : The elements like H, Li try to get two electrons in their outermost shell. 

Statement (B) : The elements like Na, Cl try to get eight electrons in their outermost shell. 

Statement (C) : According to Lewis theory the number of dots around the symbol represents the

  1. A

    All the statements A,B and C are correct

  2. B

    All the statements A,B and C are incorrect

  3. C

    A,B are correct and C is incorrect

  4. D

    A, B are incorrect and C is correct

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    Solution:

    Hydrogen atom gains one electrons and Li atom lose one electron to get He electronic configuration to attains stable.

    Na atom lose one electron to get Ne configuration (Na+) and Cl atom gains one electron to get Organ configuration (Cl) both are having 8 electron in their outermost shell.

    Valence electrons are represented by Lewis dots.

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