Per NCERT, the electron-spin quantum number m_s — introduced by Uhlenbeck and Goudsmit (1925) — takes which values?
ASame as m_l
B0 or 1 only
CAny integer 0 to n
D+½ or −½ only
Answer & Solution
Correct answer: D. +½ or −½ only
Per NCERT §2.6.1 (Electron spin), m_s = +½ (↑) or −½ (↓) only. Required to fully label each electron.
Related questions
Per NCERT §2.6.6, the actual ground-state valence configurations of CHROMIUM (Z = 24) and Per NCERT (Pauli, 1926), which statement most precisely captures the EXCLUSION PRINCIPLE?Per NCERT §2.6.4 (Aufbau), what is the standard filling order of orbitals in the ground stPer NCERT §2.6.3, in a MULTI-electron atom the energy of an orbital depends on which quantPer NCERT §2.6.2 (last paragraph), the TOTAL number of nodes in an orbital (radial + angulPer NCERT §2.6.2 + Fig. 2.14, how many p-orbitals exist in a given p-subshell, and what shPer NCERT §2.6.2, what is the shape of an s-orbital, and how many radial NODES does an ns Per NCERT, for n = 3 the TOTAL number of orbitals is which value?