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Question
What is electron affinity?
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Solution
Electron affinity is the energy released when an electron is added to an isolated gaseous atom to form the negative ion (anion).
Unit: Its units are electron volt (eV).
Its SI units are Kilojoules per mole (KJmol-1).
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RELATED QUESTIONS
State the factors on which electron affinity depends ?
Fill in the blank
Noble gases have ______ electron affinity.
State whether the following statement is true or false
Al2O3 is an amphoteric oxide.
Arrange the following in increasing order of property indicated
F, Cl, Br, I (electron affinity)
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Halogens have high electron affinity.
The following questions refer to the Periodic Table.
Which of the elements has the greatest electron affinity among the halogens?
On descending a group, ______ in ionisation potential as well as electron affinity ______ oxidising capacity.
Arrange the following as per instruction given in the bracket.
Cl, F, Br, I (increasing electron affinity)
Among period 2 elements A, B, C and D, the one which has highest electron affinity is ______.
