(a) Which of the following charts below shows the general periodic trends for each of the following properties of the main-group elements (you can neglect small deviations going either across a row or down a column of the periodic table)?

(i) Bonding atomic radius.

(ii) First ionization energy.

(iii) Metallic character.

(b) Do any of the charts show the general periodic trends in the electron affinities of the maingroup elements?

Transcribed Image Text:

increase (i) H Main Group Elements Не Li Be CN O F Ne Na Mg Al Si PSCI Ar к Са Ga Ge As Se Br Kr Rb Sr In Sn Sb Te I Xe Cs Ba increase increase