The Electronegativity of an Atom Is a Relative Measure of the

The electronegativity of an atom is a relative measure of the

A) number of electrons in an atom.
B) number of electrons in the atom's outermost electron shell.
C) difference between the number of atoms and the number of protons.
D) affinity an atom has for electrons and its ability to capture additional electrons.
E) affinity an atom has for protons and its ability to capture additional protons.