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प्रश्न
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.
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उत्तर
Lithium < Boron < Carbon < Oxygen < Fluorine
Neon, Nitrogen and Beryllium do not show negative values and hence do not follow the trend in this period.
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संबंधित प्रश्न
Draw an electron dot diagram to show the formation of the following compound:
Methane
[H = 1, C = 6]
State the factors on which electron affinity depends ?
Arrange the following according to the instruction given in the bracket:
F, B, N, O (In the increasing order of electron affinity).
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
Noble gases have ______ electron affinity.
What is electron affinity?
The following questions refer to the Periodic Table.
Which of the elements has the greatest electron affinity among the halogens?
Choose the correct answer:
Among the period 2 elements the one which has high electron affinity is
Among the Period 2 elements, the element which has high electron affinity is
State electron affinity unit.
