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प्रश्न
Write information about the given atomic numbers in the table. 10, 20, 7.
| Atomic Number | Electronic configuration | Group | Period | Element |
| 10 | ||||
| 20 | ||||
| 7 |
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उत्तर
| Atomic Number | Electronic configuration | Group | Period | Element |
| 10 | 2, 8 | 18 | 2 | Neon (Ne) |
| 20 | 2, 8, 8, 2 | 2 | 4 | Calcium (Ca) |
| 7 | 2, 5 | 15 | 2 | Nitrogen (N) |
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संबंधित प्रश्न
Arrange the following as per the instruction given in the bracket:
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Arrange the following as per the instruction given in the bracket
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Which of the following is the correct order of size?
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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?
