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प्रश्न
Match the columns.
| Column A | Column B |
| Electronic configuration |
Valency |
| 1) 2, 2 | a) 1 |
| 2) 2, 8, 1 | b) 2 |
| 3) 2, 5 | c) 3 |
| d) 5 |
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उत्तर
| Column A | Column B |
| Electronic configuration |
Valency |
| 1) 2, 2 | b) 2 |
| 2) 2, 8, 1 | a) 1 |
| 3) 2, 5 | c) 3 |
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संबंधित प्रश्न
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(Atomic numbers are given in the brackets)
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Match the columns.
| Column A | Column B |
| 1) s -block | a) Lanthanides and actinides |
| 2) p -block | b) Group 3 to 12 |
| 3) d -block | c) Group 1, 2 |
| 4) f -block | d) Group 13 to 18 |
| e) Zero group |
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Write an Explanation.
Group
Complete the following chart.
| Shell | n | 2n2 | Electron holding capacity |
| K | ______ | 2 × 12 | 2 |
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| ______ | 3 | 2 × 32 | 18 |
| N | 4 | 2 × 42 | ______ |
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