Correct expression of "allred and Rochow's " scale is :

Correct expression among the following:

Covalent radius of an element having 82 electrons in extranuclear part and 82 protons in the nucleus is 146 Å. Calculate the electronegativity on Allred Rochow scale of that element.

Covalent radius of an element having 82 electrons in extranuclear part and 82 protons in the nucleus is 146 Å. Calculate the electronegativity on Allred Rochow scale of that element.

The correct order of electronegativity on Pauling scale is:

The correct order of electronegativity on Pauling scale is:

Correct sequence of eras in geological time scale are

On a logarithmic scale the correct representation of species area relationship is represented by the equation

On a logarithmic scale the correct representation of species area relationship is represented by the equation

On hilly region, water boils at 95^@C . The temperature expressed in Fahrenheit scale is