CHEMISTRY · Single correct · AP · Chemistry · Atomic Structure and Properties · Atomic Structure and Properties
Problem
Which of the following statements is incorrect?
(1) The second ionization energy of sulphur is greater than that of chlorine.
(2) The third ionization energy of phosphorus is greater than that of aluminium.
(3) The first ionization energy of aluminium is approximately the same as that of gallium.
(4) The second ionization energy of boron is greater than that of carbon.