Advertisements
Advertisements
प्रश्न
The following questions refer to the Periodic Table.
Which of the elements has the greatest electron affinity among the halogens?
Advertisements
उत्तर
Chlorine among halogens has the greatest electron affinity.
APPEARS IN
संबंधित प्रश्न
Element X is a metal with a valency 2, Y is 3 non- metal with a valency 3.
1) Write an equation to show how Y from an ion.
2) If Y is a diatomic gas, write an equation for the direct combination of X and Y to form a compound.
The energy released when an electron is added to a neutral gaseous isolated atom to form a negatively charged iron.
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.
State the factors on which electron affinity depends ?
Give reason:
Electron affinity of halogens is comparatively high ?
Arrange the elements of group 17 and group 1 according to the given conditions.
Increasing 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
Energy released when electron is added to a neutral gaseous atom is called ______.
Down the group, electron affinity ______.
Neon shows zero electron affinity due to ______.
