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प्रश्न
What happens to the atomic size of elements on moving from left to right in a period?
उत्तर
Atomic size of elements decreases on moving from left to right in a period.
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संबंधित प्रश्न
Arrange the following as per the instruction given in the bracket:
Mg, Cl, Na, S, Si (decreasing order of atomic size).
Arrange the elements of second and third periods in increasing order of their atomic size (excluding noble gases).
Give reason for the following:
Argon atom is bigger than chlorine atom.
Arrange the following in order of increasing radii:
CI- , CI
Write the name and symbol of the element from the description.
The noble gas with the smallest atomic radius.
Atomic radius is expressed in the unit _______.
Some elements and their atomic radii are given here. Arrange them in decreasing order of their atomic radii. Identify which of the above elements is the biggest atom and which is smallest?
Element | K | Na | Rb | Cs | Li |
Atomic radius (pm) | 231 | 186 | 244 | 262 | 151 |
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 ______
Which of the following is the correct order of size?
- In below ladder symbols of elements are jumbled up. Rearrange these symbols of elements in the increasing order of their atomic number in the Periodic Table.
- Arrange them in the order of their group also.