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प्रश्न
_______ is the distance between the nucleus of the atom and its outermost shell.
पर्याय
Atomic radius
Atomic diameter
atomic mass
atomic size
उत्तर
Atomic radius is the distance between the nucleus of the atom and its outermost shell.
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संबंधित प्रश्न
Arrange the following as per the instruction given in the brackets:
Na, K, Li (Increasing atomic size)
Arrange the following as per the instruction given in the bracket:
Mg, Cl, Na, S, Si (decreasing order of atomic size).
Answer the following in respect of element `31/15 P`
Give its electronic configuration
Give the trends in atomic size on moving down the group.
Arrange the elements of second and third periods in increasing order of their atomic size (excluding noble gases).
Why is the size of sodium is greater than magnesium?
Fill in the blank:
On moving across a period from right to left in the periodic table, the atomic size of the atom ___________.
Arrange the following in order of increasing radii:
CI- , CI
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.
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?
Nanometer unit is used to measure 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 gives the correct increasing order of the atomic radii of O, F and N?
Elements have been arranged in the following sequence on the basis of their increasing atomic masses.
| F, | Na, | Mg, | Al, | Si, | P, | S, | Cl, | Ar, | K |
- Pick two sets of elements which have similar properties.
- The given sequence represents which law of classification of elements?
Arrange the following as per the instruction given in the bracket:
Carbon, Fluorine, Beryllium (decreasing order of atomic size).
Give reason for the following:
The size of a Cl− ion is greater than the size of a Cl atom.
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?
