Per NCERT, how do atoms achieve a stable electronic configuration?
AOnly by gaining electrons
BBy SHARING valence electrons with another atom OR by TRANSFERRING electrons (losing or gaining)
COnly by emitting photons
DOnly by losing electrons
Answer & Solution
Correct answer: B. By SHARING valence electrons with another atom OR by TRANSFERRING electrons (losing or gaining)
Per NCERT §9.4, two main mechanisms: electron sharing (covalent) or electron transfer (ionic).
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