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LoginIn which period and group would you place the elements with the following electronic configurations.
(i) 2,8 (ii) 2,5
General Awareness General QA 2 years ago
(i) The electronic configuration is 2,8. It means that the given element contains 2 electrons in K shell and 8 electrons in L shell. Thus the element contains 2 shells. Thus it belongs to the second period. Secondly, there are 8 electrons in the valence shell (completely filled) which is true for the 18th group.
(ii) The electronic configuration is 2,5. It means that the given element contains two shells, thus the period is 2nd. Secondly, there are 5 electrons in the valence shell which is true for the 15th group.
Posted on 06 Oct 2022, this text provides information on General Awareness related to General QA. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.
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