On going from right to left in a period in the periodic table,the electronegativity of the elements:

The period and group numbers of the element having maximum electronegativity in the long form of the periodic table,respectively,are

Choose the correct statement.

Assertion : Electron affinity refers to an isolated atom's attraction for an additional electron while electronegativity is the ability of an atom of an element to attract electrons towards itself in a shared pair of electrons.
Reason : Electron affinity is a relative number and electronegativity is experimentally measurable.

Let electronegativity,ionisation energy and electron affinity be represented as $EN$,$IP$ and $EA$ respectively. Which one of the following equations is correct according to Mulliken?

The outermost electronic configuration of the most electronegative element is