Electronegativity
what is the group trend? Explain.
generally decreases slightly down a group it will be harder to attract electrons from another atom as you move down a group, because the nucleus is further away
what is the period trend? Explain.
gradually increases as you go across a period as atomic radius decreases the nucleus is more able to exert an attractive force on another atom's electrons
define electronegativity
the measure of the ability of an atom to attract electrons
what are electronegativity values based on?
values of negativity of relative, with the most electronegative element fluorine, which is assigned a value of 4