Which of the following statement(s) is/are true? A. If two orbitals have the same value of ( n +l), the orbital with lower value of n will have lower…

Which of the following statement(s) is/are true ? A. If two orbitals have the same value of $\displaystyle (\mathrm{n}+l)$, the orbital with lower value of n will have lower energy. B. Energies of the orbitals in the same subshell increase with increase in atomic number. C. The size of $\displaystyle 2 \mathrm{p}_x$ orbital is less than the size of $\displaystyle 3 \mathrm{p}_x$ orbital. D. Among 5f, 6s, 4d, 5p and 5d orbitals, none of the orbitals have $\displaystyle 2$ radial nodes. Choose the correct answer from the options given below :