a chemical property that describes the tendency of an atom or a functional group to attract electrons toward itself.

(a)  

The ________ between the_________ and _______ down a group create less attraction.

(a)  

quantity of energy that an isolated, gaseous atom in the ground electronic state must absorb to discharge an electron, resulting in a cation

(a)  

increases left to right, top to bottom

(a)  

A gaseous chemical element that does not readily enter into chemical combination with other elements

(a)  

increases left to right, bottom to top

(a)  

More (a)   mean a greater effective nuclear charge, or a greater attractive force felt by the atom's electrons to the nucleus.