CHEMISTRY · Single correct · AP · Chemistry · Atomic Structure and Properties · Atomic Structure and Properties
Problem
Which of the following statements is/are wrong?
(1) van der Waals' radius of iodine is more than its covalent radius.
(2) All isoelectronic ions belong to the same period of the periodic table.
(3) IE1 of N is higher than that of O, while IE2 of O is higher than that of N.
(4) The electron affinity of N is almost zero, while that of P is 74.3kJ mol−1.