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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
Explain the following:
The reducing power of element increases down in the group while decreases in a period.
Arrange the elements of group 17 and group 1 according to the given conditions.
Increasing electron affinity
Which has higher E.A. fluorine or Neon?
A, B, C are three elements in which B is an inert gas other than helium.With this information complete the following table.
| Element | Atomic number | No. of electrons in the valence shell | Group to which the element belongs |
| A | Z - 1 | ||
| B | Z | ||
| C | Z + 1 |
Also, explain the following : Electron affinity of element A is more than that that of element C.
State whether the following statement is true or false
The elements with higher electron affinity have higher ionization potential.
Explain
Halogens have high electron affinity.
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 ______.
