Statement (A) : An atom is defined as the smallest particle of an element which takes part in the chemical reaction 

Statement (B) : Metals like sodium and Potassium are soft 

Statement (C) : An element is defined as a basic form of matter that cannot be broken down into simpler substances by chemical reactions

  1. A

    All the above statements are correct

  2. B

    All the above statements are incorrect

  3. C

    All the above statements are incorrect

  4. D

    A and B are incorrect but C is correct

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    Solution:

    Metals are generally quite hard, but some metals like Sodium and Potassium are very soft. The strength of the metallic bond depends upon the number of valence electrons. If the metal has more number of valence electrons in it, it could be hard nature.

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