CHEMISTRY · Multi correct · AP · Chemistry · Atomic Structure and Properties · Atomic Structure and Properties
Problem
Which of the following statements are correct?
(1) The van der Waals radius of iodine is greater than its covalent radius.
(2) All isoelectronic ions of corresponding elements belong to the same period of the periodic table.
(3) The first ionization energy of an N atom is higher than that of an O atom, while the second ionization energy of O is higher than that of N.
(4) The electron affinity of fluorine is greater than that of chlorine.