The amount of energy released when an electron is gained by an isolated gaseous atom, is electron gain enthalpy (E.A). E.A values of some halogens are given below: `[349 KJ//mol, 295 KJ//mol, 328 KJ//mol and 325 KJ//mol]`
Draw a graph by taking E.A along y axis and atomic number along X axis.

The amount of energy released when an electron is gained by an isolated gaseous atom, is electron gain enthalpy (E.A). E.A values of some halogens are given below: [349 KJ//mol, 295 KJ//mol, 328 KJ//mol and 325 KJ//mol] Supply the values for corresponding halogen based on the trend of E.A in group.

Electron gain enthalphy is the amount of energy involved when an isolated gaseous atom accepts an electron to form a monovalent anion the value of the electron gain enthalpy of halogens are given below: F : -328 KJ mol^(-1) Cl - 349 KJ mol^(-1) Br : -325 KJ mol^(-1) I : -295 KJ mol^(-1) Why the negative electron gain enthalpy decreases from chlorine iodine?

Electron gain enthalphy is the amount of energy involved when an isolated gaseous atom accepts an electron to form a monovalent anion the value of the electron gain enthalpy of halogens are given below: F : -328 KJ mol^(-1) Cl - 349 KJ mol^(-1) Br : -325 KJ mol^(-1) I : -295 KJ mol^(-1)Chlorine has more negative electron gain enthalpy than fluorine. why ?

Ionisation energy of F^Ɵ is 320 kJ mol^(-1) . The electron gain enthalpy of fluorine would be

Generally electron gain enthalpy increases along a period and decreases down the group. But electron gain enthalpy of oxygen is -141 kJ//mol while that of sulphur is -200 kJ//mol . Explain.

Calculate the energy needed to convert three moles of sodium atoms in the gaseous state to sodium ions, The ionization energy of sodium is 495 kJ mol^(-1)