The first ionisation energy of first atom is greater than that of second atom
CHEMISTRY · Single correct · AP · Chemistry · Atomic Structure and Properties · Atomic Structure and Properties
Problem
The first ionisation energy of first atom is greater than that of second atom, whereas reverse order is true for their second ionisation energy. Which set of elements is in accordance to above statement ?
(1) C>B
(2) P>S
(3) Be>B
(4) Mg>Na