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प्रश्न
What is the common feature of the electronic configuration of the elements at the end of Period 2 and Period 3?
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उत्तर
The elements at the end of the period have 8 electrons in the valence shell.
Ne = 2, 8
Ar = 2, 8, 8
संबंधित प्रश्न
Fill in the blank in the following statement:
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(a) 2nd period
(b) 4th period
(c) 3rd period
(d) 1st period
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| Li | Be | B | C | O | F | Ne |
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