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Question
Give one word or phrase for the following:
The amount of energy released when an atom in the gaseous state accepts an electron to form an anion.
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Solution
Electron affinity
RELATED QUESTIONS
Arrange the elements of second period in increasing order of their electron affinity. Name the elements which do not follow the trend in this period.
Electron affinity values generally _______ across the periods left to right and ______ down the group top to bottom.
Fill in the blank
The nature of oxide Al2O3 is ____
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)
With reference to the variation of properties in the Periodic Table, which of the following is generally true?
Electron affinity increases going down a group.
The changes in the properties of elements on moving from left to right across a period of the Periodic Table. For the property, choose the correct answer.
The electron affinity of elements in groups 1 to 7:
The electron affinity of an element X is greater than that of element Y.
How is the oxidising power of X likely to compare with that of Y?
The electron affinity of an element X is greater than that of element Y.
State whether X is likely to be placed to the left or to the right of Y in the periodic table.
Arrange the following as per instruction given in the bracket.
Cl, F, Br, I (increasing electron affinity)
