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प्रश्न
Electronic configuration of element A is 2,8,1. Answer the following questions based on this information.
- What is the atomic number of element A?
- Find the group to which this element belongs.
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उत्तर
- Atomic number of element A is 11.
- Element A belongs to group 1.
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संबंधित प्रश्न
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| Column A | Column B |
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| 2) p -block | b) Group 3 to 12 |
| 3) d -block | c) Group 1, 2 |
| 4) f -block | d) Group 13 to 18 |
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| 1) 2, 2 | a) 1 |
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| 3) 2, 5 | c) 3 |
| d) 5 |
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| 1) Alkaline earth metals | a) Group 18 |
| 2) Alkali metals | b) Group 17 |
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| 4) Noble gas | d) Group 1 |
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Right or wrong sentence.
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| Electronic configuration | 2, 1 | 2, 8 | 2, 8, 1 | 2, 8, 8 |
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