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प्रश्न
Write the name and symbol of the element from the description.
The noble gas with the smallest atomic radius.
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उत्तर
Name: Helium
Symbol: He
संबंधित प्रश्न
Arrange the following as per the instruction given in the brackets:
Na, K, Li (Increasing atomic size)
Why is the size of neon greater than fluorine?
Which is greater in size an atom or a cation?
Which is greater in size Fe2+ or Fe3+?
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.
Select the correct answer
Atomic radii of fluorine and neon in angstrom unit are
The following questions refer to the Periodic Table.
What happens to the atomic size of elements moving from top to bottom of a group?
The metals of Group 2 from top to bottom are Be, Mg, Ca, Sr and Ba. Which one of these elements will form ions most readily and why?
Arrange the following as per the instruction given in the bracket
Na, K, Li (Increasing atomic size)
_______ is the distance between the nucleus of the atom and its outermost shell.
Write an explanation.
Atomic radius
Write scientific reason.
In same period, boron and oxygen elements have different atomic size.
Which of the following is the correct order of atomic size?
Which of the following is the correct order of size?
When an atom of iodine becomes an iodine ion (I–) the radius will ______
Which one of the following depict the correct representation of atomic radius(r) of an atom?
|
(i) |
(ii) |
|
(iii) |
(iv) |
This question refers to the elements of the Periodic Table with atomic numbers from 3 to 18. Some of the elements are shown by letters, but the letters are not the usual symbols of the elements.
| 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| A | B | C | D | E | F | G | H |
| 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| I | J | K | L | M | N | O | P |
Which of these have least atomic size in period 3?
