Questions

Outward extension of the shoulder bone is called as the acromion.

No Financial Emergency has been imposed on the country so far. Article 360 deals with Financial Emergency. (This article, however,shall not apply to the state of Jammu and Kashmir)

Electronegativity is the tendency for an atom to attract electrons. There are general trends on the periodic table which you can use to determine the relative electronegativity for different elements, but otherwise you can also look at their valence shell and effective nuclear charge to determine their relative electronegativity.

Here from the given options, Lithium has least tendency to attract electrons and thus has a lower electronegativity.