Question

define electron gain enthalphy how does it vary along the period​

Answer 1

Answer:

Here is the solution

Explanation:

The enthalpy change accompanying the addition of an electron to a neutral gaseous atom is called electron gain enthalpy. Electron gain enthalpy becomes more negative along the period. ... Reason: This is because size of the atom increases and the added electron will be farther from the nucleus.

Answer 2

Explanation:

the enthalpy change acccompanying addition of electron o neutrol gaseous atom is called electron gain enthalpy.electron gave enthalpy become more negative along a period