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The lustre of a metal is due to 

  • Option 1)

    Its high polishing

  • Option 2)

    Its high density

  • Option 3)

    Chemical inertness

  • Option 4)

    Presence of free electrons

 

Answers (1)

The metallic luster of a metal is due to prescence of free electrons.

 

Metallic solids -

Metallic bond, i.e., attraction between positively charged metal ion and mobile electron.

- wherein

Ex. iron, copper, zinc, aluminium, sodium

 

 


Option 1)

Its high polishing

This is incorrect

Option 2)

Its high density

This is incorrect

Option 3)

Chemical inertness

This is incorrect

Option 4)

Presence of free electrons

This is correct

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