WGU C833 2.3 Periodic Trends, Exam Review Questions and answers. VERIFIED.

WGU C833 2.3 Periodic Trends, Exam Review Questions and answers. VERIFIED. Moving across a row from left to right, ionization energy generally ___. - -increases Moving across a row from right to left, ionization energy generally ___. - -decreases Electron affinity generally ___ as we move up the periodic table. - -increases Electron affinity generally ___ as we move down the periodic table. - -decreases Electron affinity generally ___ as we move right along the periodic table. - -increases Electron affinity generally ___ as we move left along the periodic table. - -decreases Which group has the highest electron affinity? - -halogens Why does chlorine have a higher electron affinity than fluorine? - -Flourine is a much more compact atom than chlorine. covalent radius - -one-half the distance between the nuclei of two identical atoms when they are joined by a covalent bond effective nuclear charge - -charge that leads to the Coulomb force exerted by the nucleus on an electron, calculated as the nuclear charge minus shielding