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प्रश्न
Which one has the largest size?
विकल्प
Br
I
I−
Cl
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उत्तर
I−
Explanation:
I− is the largest in size. On moving down a group size of atom increases.
∴ I > Br > Cl
I− > I
Hence I− is the largest in size.
संबंधित प्रश्न
Answer the following in respect of element `31/15 P`
Give its electronic configuration
Give the trends in atomic size on moving down the group.
Give the trends in atomic size on moving across the period left to right.
Fill in the blank:
On moving across a period from right to left in the periodic table, the atomic size of the atom ___________.
Arrange the following in order of increasing radii:
CI- , CI
Study the radius of the element given below and answer the following questions.
| elements | K | Na | Rb | Cs | Li |
| Atomic radius (pm) | 231 | 186 | 244 | 262 | 151 |
a) Which of the above elements have the smallest atom?
b) In which group of the modern periodic table the above element are belongs?
c) What is the periodic trend observed in the variation of atomic radii down a group?
Select the correct answer
Atomic radii of fluorine and neon in angstrom unit are
Write information about the given atomic numbers in the table. 10, 20, 7.
| Atomic Number | Electronic configuration | Group | Period | Element |
| 10 | ||||
| 20 | ||||
| 7 |
Which of the following is the correct order of atomic size?
Give reason for the following:
The size of a Cl− ion is greater than the size of a Cl atom.
