alleryThe total number of electrons that can fit in the $M$ shell ($n=3$) is
A$8$
B$10$
C$32$
D$18$
Answer & Solution
Correct answer: D. $18$
Maximum electrons in shell $n$ is $2n^2$.
For $n=3$: $2 \cdot 9 = 18$.
Made up of $3s^2 + 3p^6 + 3d^{10}$.
Keep practising Structure of Atom
Browse all Structure of Atom questions for AP Intermediate 1st Year, or explore more Chemistry topics.
Related questions
NEET · Chemistry · Quantum NumbersIn the photoelectric effect, the kinetic energy of ejected electrons is:The electronic configuration of Cr (Z=24) is an exception, written as:By the AUFBAU principle, the 3d subshell starts filling:Hund's rule states that electrons in degenerate orbitals:Heisenberg's uncertainty principle is most accurately stated as:The de Broglie wavelength of a particle with momentum p is:The energy of the nth orbit in a hydrogen atom (Bohr's model) is: