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प्रश्न
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.
State the term/process for the following:
The energy released when an atom in the gaseous state accepts an electron to form an anion.
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उत्तर
Electron affinity
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संबंधित प्रश्न
Draw an electron dot diagram to show the formation of each of the following compounds:
Magnesium Chloride
[H = 1, C = 6, Mg = 12, Cl = 17]
Give one word or a phrase:
The energy released when an electron is added to a neutral gaseous isolated atom to form a negatively charged ion.
State the factors on which electron affinity depends ?
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?
Why is the electron affinity of fluorine less than chlorine?
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 of element C.
- lonization energy of element C is less than that of element A.
- Electron affinity of B is zero.
Fill in the blank
Energy released when electron is added to a neutral gaseous atom is called ______.
Arrange the following as per instruction given in the bracket.
Cl, F, Br, I (increasing electron affinity)
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.
