Question:medium

Molecular formula of the compound formed by the combination of atoms A and B with 2 and 7 valence electrons in third orbit is ____.

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Atoms with 7 valence electrons generally have valency 1, while atoms with 2 valence electrons usually have valency 2.
Updated On: May 18, 2026
  • \(AB\)
  • \(B_2A\)
  • \(AB_2\)
  • \(A_2B_7\)
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The Correct Option is A

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