The elements arranged by electron affinity from most positive to most negative value are cesium, helium, tellurium, bismuth, and chlorine. This order is based on the tendency of each element to gain an electron and form a negative ion.
which of these is an extensive property of a substance? is it color, hardness, malleability, or volume
No, nonmetals do not always have higher electron affinity than metals. Electron affinity depends on the specific element and its position in the periodic table. Some metals can have higher electron affinities than certain nonmetals.
The energy released on adding an electron to an isolated gas phase atom is called electron affinity. It represents the willingness of an atom to accept an additional electron. The process can release energy if the atom's electron affinity is negative, indicating that the atom is stable after gaining an electron.
The order is: O, Cl, Sb, Rb, Ar.
An element with a large negative electron affinity is more likely to form a negative ion because it strongly attracts electrons to achieve a stable electron configuration. This results in the formation of negatively charged ions.
Chlorine (Cl) has the most negative electron affinity among these elements. It has a higher tendency to gain an electron to form a chloride ion compared to aluminum (Al), silicon (Si), and sulfur (S).
The halogens, specifically the group 17 elements, have the most negative electron affinities. This is because they have a strong attraction for gaining an electron to achieve a stable electron configuration with a full outer shell. Fluorine has the highest electron affinity among the halogens.
Fluorine has a greater electron affinity than bromine. This is because fluorine is the most electronegative element, meaning it has a stronger attraction for electrons compared to bromine.
Aluminum has the lowest electron affinity in Group 13 because it is the most electropositive element in this group due to its position in the periodic table. Electropositive elements tend to have lower electron affinities.
Chlorine (Cl) would most likely have a positive electron affinity. Typically, elements with high electron affinities are found on the right side of the periodic table, closer to the noble gases. Among the choices given, Argon (Ar) is a noble gas and has a positive electron affinity.
Chlorine has more electron affinity than fluorine because of its larger size, which allows for better electron-electron repulsion. This means that when an electron is added to a chlorine atom, it is not as strongly attracted as it would be in a smaller fluorine atom. This results in a higher electron affinity for chlorine.
The elements arranged by electron affinity from most positive to most negative value are cesium, helium, tellurium, bismuth, and chlorine. This order is based on the tendency of each element to gain an electron and form a negative ion.
which of these is an extensive property of a substance? is it color, hardness, malleability, or volume
No, nonmetals do not always have higher electron affinity than metals. Electron affinity depends on the specific element and its position in the periodic table. Some metals can have higher electron affinities than certain nonmetals.
The energy released on adding an electron to an isolated gas phase atom is called electron affinity. It represents the willingness of an atom to accept an additional electron. The process can release energy if the atom's electron affinity is negative, indicating that the atom is stable after gaining an electron.
Generally electron affinity goes up as you go from left to right across the Periodic Table, and decreases as you go down a column. However, fluorine is an exception -- and the element with the highest electron affinity is chlorine (note that the most electronegative element is fluorine however).The reason that the electron affinity is not as high as might otherwise be predicted for fluorine is that it is an extremely small atom, and so it's electron density is very high. Adding an additional electron is therefore not quite as favorable as for an element like chlorine where the electron density is slightly lower (due to electron-electron repulsion between the added electron and the other electrons in the electron cloud).Note that there are a number of other exceptions to the general rule of electron affinity increasing towards the upper right corner -- see the Related Questions links to the left for an explanation of some of those other exceptions.See also the Web Links to the left for more information about electron affinities and the fluorine-chlorine exception.