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2. structure of atom — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry2. structure of atom1 Mark
MCQ
What is the radius ratio for $2^{nd}$ orbit of $Li^{+2}$ ion $3^{rd}$ orbit of $Be^{+3}$ ion ?
  • A
    $3 : 1$
  • ✓
    $16 : 27$
  • C
    $4 : 9$
  • D
    $3 : 4$
✓

Answer

Correct option: B.
$16 : 27$
b

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