Match the following columns:

Column-$I$	Column-$II$
$(1)$ Photon	$(A)$ Value of $4$ for $N$ shell
$(2)$ Electron	$(B)$ Probability density
$(3)$ $\psi^2$	$(C)$ Always $+$ value
$(4)$ Principal quantum number $(n)$	$(D)$ Represents wavelength and momentum

The shape of the probability distribution curve for the $2s$ orbital is .........

Which of the following statements is $CORRECT$ :
$(I)$ Where orbitals are available in degenerate sets,maximum spin multiplicity is observed.
$(II)$ Where two electrons occupy the same shell,they may have same spins.
$(III)$ All noble gases do not have the same valence shell electronic configuration.

Which of the following statement$(s)$ is (are) correct?

Select the correct statements from the following:
$A$. Atoms of all elements are composed of two fundamental particles.
$B$. The mass of the electron is $9.10939 \times 10^{-31} \ kg$.
$C$. All the isotopes of a given element show same chemical properties.
$D$. Protons and electrons are collectively known as nucleons.
$E$. Dalton's atomic theory regarded the atom as an ultimate particle of matter.
Choose the correct answer from the options given below:

Which of the following violates the Aufbau principle and Hund's rule?