List of top Chemistry Questions on Atomic Spectra

The species having identical radii according to the Bohr's theory are:
A. H (first orbit)
B. \( He^+ \) (first orbit)
C. \( He^+ \) (Second orbit)
D. \( Li^{2+} \) (first orbit)
E. \( Be^{3+} \) (Second orbit)
Choose the correct answer from the options given below:
What is the ratio of wave number of first line (lowest energy line) of Balmer series of H atomic spectrum to first line of its Brackett series?
Identify the element from following such that the last electron is placed in $(\text{n} - 1)\text{d}$ orbital.
Identify the element from following such that the last electron is placed in $(\text{n} - 1)\text{d}$ orbital.
Consider the last electron of element having atomic number 9 and choose the correct option.

Given below are two statements:
Statement (I): A spectral line will be observed for a \(2p_x \rightarrow 2p_y\) transition.
Statement (II): \(2p_x\) and \(2p_y\) are degenerate orbitals.

In the light of the above statements, choose the correct answer from the options given below:

Which of the following is the correct electronic configuration for the element with atomic number 16?