electron affinity is maximum in
Electron affinity is maximum in
Answer: Electron affinity is defined as the energy change that occurs when an electron is added to a gaseous atom. The electron affinity tends to increase across a period in the periodic table from left to right. LectureNotes is correct in stating that electron affinity is maximum in the halogen group (Group 17) of the periodic table. Elements in Group 17, such as fluorine (F), chlorine (Cl), bromine (Br), and iodine (I), have the highest electron affinities among all the elements. This is due to the fact that these elements have a high tendency to gain an electron to achieve a stable electron configuration and form a full valence shell. The halogens have incompletely filled valence shells and a strong nuclear pull, which leads to a high attraction for an additional electron, resulting in high electron affinities.