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Question
Identify periods of elements and blocks of elements from given electronic configuration?
- 2, 8, 2
- 2, 8, 7
- 2, 1
Solution
| Electronic configuration |
Period | Block | |
| i. | 2, 8, 2 | 3 | s - Block |
| ii. | 2, 8, 7 | 3 | p - Block |
| iii. | 2, 1 | 2 | s - Block |
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