Advertisements
Advertisements
प्रश्न
Give reason for the following:
The size of a Cl− ion is greater than the size of a Cl atom.
Advertisements
उत्तर
An anion gets formed when one or more electrons are gained. Thus, there are more electrons than protons. The nucleus's effective positive charge is reduced, resulting in less inward pull. As a result, the size becomes larger.
\[\ce{\underset{(2, 8, 7)}{Cl}+e- ->\underset{(2, 8, 8)}{Cl-}}\]
APPEARS IN
संबंधित प्रश्न
Give reason for the following:
Argon atom is bigger than chlorine atom.
Among the elements of the second period, Li to Ne, pick out the element with the largest atomic size
What happens to the atomic size of elements on moving from left to right in a period?
The changes in the properties of elements on moving from left to right across a period of the Periodic Table. For the property, choose the correct answer.
The atomic size:
On moving from left to right in a periodic table, the size of the atom ______.
Atomic radius is expressed in the unit ______.
Write information about the given atomic numbers in the table.
| Atomic Number | Electronic configuration | Group | Period | Element |
| 10 | ||||
| 20 | ||||
| 7 |
Which of the following is the correct order of size?
Arrange the following elements in increasing order of their atomic radii.
- Li, Be, F, N
- Cl, At, Br I
Which one of the following has the largest atomic radius?
