The halogen with the least-negative electron affinity is astatine. Electron affinity and electronegativities decreases down a group. Since astatine is the last halogen located in Group 17 as you move down the column from fluorine, it has the least negative electron affinity.
Yes, that is part of the definition of electron affinity.
Electron affinity is the energy released when an electron is added to a neutral atom to form a negative ion. It measures an atom's attraction for electrons. A higher electron affinity indicates a stronger tendency for an atom to gain an electron.
Sr has a relatively low electron affinity. Electron affinity is the energy change when an atom gains an electron to form a negative ion, and for strontium, this energy change is lower compared to other elements.
Fluorine has higher electron affinity than any other element.
Yes, electron affinity is the energy released when an atom gains an electron to form a negative ion. It describes the tendency of an atom to accept an electron.
Helium has no electron affinity.
Selenium has a lower electron affinity than germanium. Electron affinity is the energy released when an atom gains an electron to form a negative ion. In general, electron affinity tends to decrease as you move down a group in the periodic table, which is why selenium has a lower electron affinity than germanium.
chloline
The electron affinity of germanium is considered to be moderate. Germanium is a metalloid element with an electron affinity that falls between that of metals and nonmetals.
Yes, that is part of the definition of electron affinity.
The electron affinity of sulfur is -200 kJ/mol.
Electron affinity is the energy released when an electron is added to a neutral atom to form a negative ion. It measures an atom's attraction for electrons. A higher electron affinity indicates a stronger tendency for an atom to gain an electron.
Chlorine has a negative second electron affinity because it releases energy when gaining an additional electron. This makes it less likely to accept a second electron compared to its first electron affinity, which is positive.
The outer electrons in bigger halogens are further from the nucleus and so they feel less attraction and so are easier to remove. Therefore, astatine has the lowest ionisation potential of the halogens.
No, iodine has less electron affinity than fluorine. Fluorine is more electronegative and has a higher electron affinity compared to iodine.
To create an electron affinity reactor you will have to use the second ionization energy.
Electron affinity is the energy released when an atom gains an electron to form a negative ion, while electron gain enthalpy is the enthalpy change accompanying the addition of an electron to a gaseous atom. Electron affinity is a specific term used in the context of forming an ion, while electron gain enthalpy is a general term for the enthalpy change associated with gaining an electron.