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प्रश्न
State electron affinity unit.
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उत्तर
Electron volts per atom (eV/atom) or kJ mol−1.
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संबंधित प्रश्न
Draw an electron dot diagram to show the formation of the following compound:
Methane
[H = 1, C = 6]
Choose the correct answer from the options given below:
If an element A belongs to Period 3 and Group II, then it will have
A. 3 shells and 2 valence electrons
B. 2 shells and 3 valence electrons
C. 3 shells and 3 valence electrons
D. 2 shells and 2 valence electrons
Define the term ‘electron affinity’.
Give reason:
Electron affinity of halogens is comparatively high ?
Explain the following:
The reducing power of element increases down in the group while decreases in a period.
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 B is Zero.
Fill in the blank
The nature of oxide Al2O3 is ____
Arrange the following in increasing order of property indicated
F, Cl, Br, I (electron affinity)
Explain
Halogens have high electron affinity.
On descending a group, ______ in ionisation potential as well as electron affinity ______ oxidising capacity.
