Q.3. Name
(a) three elements that have a single electron in their outermost shells.
Single valence electron elements are:
(a) Lithium, Sodium, and Potassium.
Board Exam Date 2025 Live: Bihar Class 10, 12 model papers out, time table soon; updates on CBSE, UP
CBSE Class 10 board exams from February 15 to March 18; download date sheet 2025 PDF
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