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Yes. Electron affinity is the process by which a neutral atom gains an electron and the EA is the measure of energy released. The resulting ion will be negative.
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Does Sr have a high electron affinity or a low electron affinity?
Strontium, Sr, doesn't accept electrons, so it has low electron affinity. Sr will liberate electrons, so it has low ionization energy.
Does high value of electron affinity for an atom means that it will gain electron easily?
Yes, that is part of the definition of electron affinity.
Definition of electron affinity?
The energy change that occurs when an electron is added to a neutral atom. This is usually exothermic. Noble Gases are excluded from this. Equation: X(element)+e-(electron)---------> X-1+ energy
What group of elements give off the most energy when they gain an electrons?
Group 8A, the noble gases because they have high electron affinity.
Why are the noble gases not included in electron affinity?
Noble gases have completely filled orbitals are are stable. they do not accept electrons and hence are not included in electron affinity.
What is the difference between electron affinity and electron gain enthalpy?
electron affinity is the negative of electron gain enthalpy. for example, the electron gain enthalpy of fluorine is -328, and electron affinity is 328 which is -(-328)
How is the electron affinity related to metallic character?
metals lose electrons rather than gain them
How is electron affinity related to metallic character?
metals lose electrons rather than gain them
Does Sr have a high electron affinity or a low electron affinity?
Strontium, Sr, doesn't accept electrons, so it has low electron affinity. Sr will liberate electrons, so it has low ionization energy.
Does high value of electron affinity for an atom means that it will gain electron easily?
Yes, that is part of the definition of electron affinity.
Does a metal gain or lose an electron when it reacts with a nonmetal?
The metal tends to lose the electron because it has a higher electron affinity, and the nonmetal tends to gain the electron because it has a higher electronegativity. This has to do with the placement of the element on the periodic table. The further to the right you go, the more the element wants to gain electrons in an ionic compound.
Definition of electron affinity?
The energy change that occurs when an electron is added to a neutral atom. This is usually exothermic. Noble Gases are excluded from this. Equation: X(element)+e-(electron)---------> X-1+ energy
How do you read the electrostatic series?
The electrostatic series ranks elements in order of their ability to gain or lose electrons. The list shows which elements have a higher affinity for electrons (indicating electron gain) and which have a lower affinity (indicating electron loss). This ranking can help predict the direction of electron transfer in chemical reactions.
What group of elements give off the most energy when they gain an electrons?
Group 8A, the noble gases because they have high electron affinity.
Why do nonmetals tend to gain electrons to form negative ion?
There are two reasons for that. Non metals do not have octet of electrons on their valence shell. Addition of electrons help them satisfy octet tule. Non metals have high electron affinity and hence high tendency to gain electrons.
Why are the noble gases not included in electron affinity?
Noble gases have completely filled orbitals are are stable. they do not accept electrons and hence are not included in electron affinity.
What is the trend for electrons?
As you go across a period; Left to right, the electron affinity increases. As you go down a group; top to bottom, the electron affinity decreases.
