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A hydrogen atom has one electron, so to become stable it needs one:
AMore nucleus
BMore isotope
CMore electron
DMore neutron
Answer & Solution
Correct answer: C. More electron
1. Hydrogen aims for a duplet, not an octet.
2. It is one short of that pair.
3. So it needs one more electron.
_Source: syllabus Science Class IX, Chapter 9, Atomic Foundations of Matter._
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