Q.3. Which element has
(a) two shells, both of which are completely filled with electrons?
The element which has two shells, which are both completely filled with electrons is,
Neon with electronic configuration .
CBSE Class 10, 12 syllabus 2024-25 out; board restores two-level mathematics rule
CBSE Class 10 board exam 2024 passing criteria, eligibility for compartment; all you need to know
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