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STD 11 - 2. structure of atom — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 11 - 2. structure of atom4 Marks
MCQ
Select the correct statements for quantum numbers.

$(i)$ Magnetic quantum no. $(m_l )$ gives information about the spatial orientation of orbitals with respect to standard set of co-ordinate axis.

$(ii)$ Electron spin quantum no. is represented by '$s$' and have value' $\frac{1}{2}$ '

$(iii)$ Principal quantum no. $(n)$ determine the size of the orbitals and also to a large extent of the energy of the orbitals.

  • ✓
    Only $(i), (iii)$
  • B
    Only $(iii)$
  • C
    Only $(i)$
  • D
    $(i), (ii), (iii)$
✓

Answer

Correct option: A.
Only $(i), (iii)$
a

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