The electrons which are primarily responsible for chemical bonds are:

the outer s subshell
the outer p subshell
the valence electrons
electrons with high ionization energy

The electrons which are primarily responsible for chemical bonds are the valence electrons. Atoms form two types of bonds: ionic bond and covalent bond. In a covalent bond, valence electrons are shared; in an ionic bond, valence electrons are transferred.

answer

i think the answer is a) as air pressure in an area increases, the density of the gas particles in that area decreases.

hope it