Embibe Experts Solutions for Chapter: Structure of Atom, Exercise 2: EXERCISE-I (Conceptual Questions)

The energy of hydrogen atom in $n^{\mathrm{th}}$ orbit is $E_{\mathrm{n}}$, then the energy in $n^{\mathrm{th}}$ orbit of singly ionised helium atom will be:

The ratio of the potential energy and total energy of an electron in a Bohr's orbit of a hydrogen-like species is

The ratio of the minimum wavelength of the Lyman and Balmer series will be.

A certain electronic transition from an excited state to the ground state in a sample of $\mathrm{H}-$atoms gives rise to maximum of three lines in the ultraviolet region of the spectrum. How many lines does this transition produce in the infrared region of the spectrum?

. The following quantum numbers are possible for how many orbitals? $\mathrm{n}=3; \mathrm{l}=2; \mathrm{m}=+2;$

Number of orbitals in $\mathrm{h}$ sub-shell is

Energy of atomic orbitals in a particular shell is in the order

In $6^{\mathrm{th}}$ period of the modern periodic table, electronic energy levels are in the order :-