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What is the largest electron configuration?

valence shell

Is losing an electron endothermic or exothermic?

To remove an electron, energy has to be provided to an atom. Hence its ionization enthalpy is always positive thus these reactions are always endothermic.

What would you expect the second electron gain enthalpy of oxygen?

When an electron is added to O atom to form Oө ion, energy is released. Thus, the first electron gain enthalpy of O is negative. Thus,the second electron gain enthalpy of oxygen is positive.

What is Delta H EG?

Δ Heg is electron gain enthalpy and it is defined as the enthalpy change when an electron is added to a neutral gaseous atom to form a gaseous anion. X(g)+e-e→X(g).- ΔHeg=-ve.

What is the electron gain enthalpy of hydrogen?

electron gain enthalpy of hydrogen (4) Dissociation energy of hydrogen molecule Enthalpy changes for the following processes are listed below- (AIEEE 2006) Cl2(g) = 2C1(9) 242.3 kJ mol- 12(g) = 21(g) 151.0 kJ mol- IC (g) = |(9) + CI(g) 211.3 kJ mol-1 148) = 12(9) 62.76 kJ mol- Give that the standard states for iodine …

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When the first electron gain enthalpy Δegh of oxygen is 141 kJ mol its second electron gain enthalpy is?

Explanation: Second electron gain enthalpy is always positive.

When the first electron gain enthalpy Delta _( eg h of oxygen is its second electron gain enthalpy is?

When the first electron gain enthalpy `(triangle_(eg)H)` of oxygen is `-141 kJ//mol,` its second – YouTube.

What is electron gain enthalpy?

Electron gain enthalpy is defined as the amount of energy released when an electron is added to an isolated gaseous atom. During the addition of an electron, energy can either be released or absorbed. Hence, the nuclear force applied on the electrons in the case of Sodium will be less.