What is the value of electron gain enthalpy of na if July 8, 2019 16 32 64 128 What is the value of electron gain enthalpy of na+ if ie1 of na 5.1 ev What is the value of electron gain enthalpy of na+ if What is the value of electron gain enthalpy of na+ if ie1 of na = 5.1 ev Enthalpy heat of reaction