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प्रश्न
Which is greater in size an atom or a cation?
उत्तर
An atom is always greater than a cation since the loss of electrons forms a cation; hence, protons are more than electrons in a cation. The nucleus strongly attracts electrons and pulls them inward.
संबंधित प्रश्न
Write the name and symbol of the element from the description.
The atom having the smallest size.
Give scientific reasons for the following:
Atomic radius goes on decreasing while going from left to right in a period.
Write scientific reason.
Atomic radius goes on increasing down a group.
Arrange the following as per the instruction given in the bracket.
Mg, Cl, Na, S, Si (increasing order of atomic size)
_______ is the distance between the nucleus of the atom and its outermost shell.
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 |
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
Which one of the following has the largest atomic radius?
Which one has the largest size?
