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प्रश्न
Give the trends in atomic size on moving down the group.
उत्तर १
The atomic size of an atom increases when we go down a group from top to bottom.
उत्तर २
Moving down a group causes an increase in atomic size, which also changes with period. An additional shell is added, increasing the atom's size.
संबंधित प्रश्न
What do you understand by atomic size? State its unit?
Which is greater in size an atom or a cation?
Give reasons for the following:
The size of the anion is greater than the size of the parent atom.
Fill in the blank by selecting the correct word from the bracket.
If an element has seven electrons in its outermost shell then it is likely to have the _____ atomic size among all the elements in the same period.
Write an Explanation.
Atomic radius
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?
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
Arrange the following as per instruction given in the bracket.
Mg, Cl, Na, S, Si (decreasing order of atomic size)
Arrange the following in order of increasing radii:
Mg2+, Mg, Mg+
Explain your choice.
