Which element has the highest most positive electron affinity?

Which element has the highest most positive electron affinity?

Chlorine

What has the lowest electron affinity?

mercury

What three factors determine the electron affinity?

Electron affinity mainly depend on three factors. They are, Atomic size. Nuclear charge.

Which one N or O has more electron affinity and why?

Answer. Answer: Oxygen has more electron affinity because Nitrogen gains more stability by attaining partial configuration.

Does P have more electron affinity than N?

Electron affinity decreases or increases across a period depending on electronic configuration. Since a half-filled “p” subshell is more stable, carbon has a greater affinity for an electron than nitrogen.

Why does oxygen have higher electron affinity than nitrogen?

The p orbital of carbon is empty and it is unstable due to which its affinity to gain incoming electron increases. In case of Nitrogen (7) and Oxygen (8) ……the oxygen atom have more attracting power of electrons towards its nucleus than nitrogen, so, it will be more electron affinity than nitrogen.

What is nitrogen electron affinity?

Electron Affinity of Nitrogen is 7 kJ/mol. Electronegativity of Nitrogen is 3.04. An atom of Nitrogen in the gas phase, for example, gives off energy when it gains an electron to form an ion of Nitrogen.

Does chlorine have a high electron affinity?

As fluorine sits atop chlorine in the periodic table, most people expect it to have the highest electron affinity, but this is not the case. Therefore, chlorine has a higher electron affinity than fluorine, and this orbital structure causes it to have the highest electron affinity of all of the elements.

Why does phosphorus have a low electron affinity?

However, in order to form P-, the extra electron must pair up with an existing electron in one of the p-orbitals. The extra repulsion involved leads to the electron affinity being lower for P than for Si despite the higher nuclear charge.

Is electron gain enthalpy of phosphorus positive?

1 Answer. Yes, Nitrogen and Phosphorus have positive electron gain enthalpy. So electron gain enthalpy is positive.

What is the electron affinity of phosphorus?

The electron affinity of phosphorus is 72 kJ mol‑1. The ionisation energies of phosphorus are given below.

What is positive electron gain enthalpy?

A positive electron gain enthalpy is defined as the energy required to enter an electron into an atom. This means that when an element has completely filled orbital then it will be not be able to accept an electron easily. Hence, nitrogen will have positive electron gain enthalpy.