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In a water molecule, hydrogen completes not an octet but a:
ADeposit
BDuplet
CDroplet
DDialect
Answer & Solution
Correct answer: B. Duplet
1. Hydrogen's only shell holds just two electrons.
2. Two is a full shell for it.
3. So hydrogen completes a duplet.
_Source: syllabus Science Class IX, Chapter 9, Atomic Foundations of Matter._
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