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.
\[\ce{\underset{(2, 8, 7)}{Cl}+e- ->\underset{(2, 8, 8)}{Cl-}}\]
संबंधित प्रश्न
Arrange the following as per the instruction given in the bracket:
Mg, Cl, Na, S, Si (decreasing order of atomic size).
Answer the following in respect of element `31/15 P`
Give its electronic configuration
Give reasons for the following:
The size of the anion is greater than the size of the parent atom.
Write the name and symbol of the element from the description.
The atom having the smallest size.
The following questions refer to the Periodic Table.
What happens to the atomic size of elements moving from top to bottom of a group?
Arrange the following as per the instruction given in the bracket.
Mg, Cl, Na, S, Si (increasing order of atomic size)
The size of an atom is indicated by its _______.
Nanometer unit is used to measure atomic radius.
Carbon belongs to the second period and Group 14. Silicon belongs to the third period and Group 14. If the atomic number of carbon is 6, the atomic number of silicon is ______
Atomic number of a few elements are given below
10, 20, 7, 14
- Identify the elements
- Identify the Group number of these elements in the Periodic Table
- Identify the Periods of these elements in the Periodic Table
- What would be the electronic configuration for each of these elements?
- Determine the valency of these elements
