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प्रश्न
Arrange the following as per instruction given in the bracket.
Mg, Cl, Na, S, Si (decreasing order of atomic size)
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उत्तर
Na > Mg > Si > S > Cl
∴ Atomic size reduces when moving from left to right in the third phase.
संबंधित प्रश्न
Give the trends in atomic size on moving across the period left to right.
Which is greater in size an atom or an anion?
Write the name and symbol of the element from the description.
The atom having the smallest atomic mass.
Write the name and symbol of the element from the description.
The noble gas with the smallest atomic radius.
Write a scientific reason.
Atomic radius goes on increasing down a group.
Among the elements of the second period, Li to Ne, pick out the element with the largest atomic size
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 size?
Which of the following are the characteristics of isotopes of an element?
- Isotopes of an element have same atomic masses
- Isotopes of an element have same atomic number
- Isotopes of an element show same physical properties
- Isotopes of an element show same chemical properties
Which one of the following depict the correct representation of atomic radius(r) of an atom?
|
(i) |
(ii) |
|
(iii) |
(iv) |
