The energy change which accompanies the addition of an electron to a gaseous atom is

Assessment: WAEC SSCE - Chemistry - 2010 (Objective) Subject: Chemistry

Question 1 Report

The energy change which accompanies the addition of an electron to a gaseous atom is
Answer Details
The energy change which accompanies the addition of an electron to a gaseous atom is called "electron affinity". In simple terms, it is the energy released or absorbed when a neutral gaseous atom gains an electron to form a negatively charged ion. This energy change is often expressed in units of kilojoules per mole (kJ/mol). A positive electron affinity value indicates that energy is absorbed when an electron is added, whereas a negative value indicates that energy is released.
Read lesson note on Kinetic Theory Of Matter And Gas Laws (JAMB)
Read lesson note on Chemical Bonds (Nigeria Only) (WAEC)
Read lesson note on Atomic Structure And Bonding (JAMB)
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