Structure of Atom questions
799 published questions with worked solutions.
- Given below are two statements: Statement I: When an electric discharge is passed through gaseous hydrogen, the hydrogen...
- The energy required by electrons, present in the first Bohr orbit of hydrogen atom to be excited to second Bohr orbit is _____ J...
- The energy of first (lowest) Balmer line of H atom is x J. The energy (in J) of second Balmer line of H atom is :
- Which of the following statements regarding the energy of the stationary state is true in the following oneelectron system ?
- Given, (A) n=5, m_l=-1 (B) n=3, l=2, m_l=-1, m_s=+ 1 2 The maximum number of electron(s) in an atom that can have the quantum...
- Which of the following pair of nuclei are isobars of the element?
- Identify the INCORRECT statements from the following: A. Notation Mg-24-12 represents 24 protons and 12 neutrons. B. Wavelength...
- The hydrogen spectrum consists of several spectral lines in Lyman series (L_1, L_2, L_3 ; L_1 has lowest energy among Lyman...
- The wavelength of spectral line obtained in the spectrum of Li^ 2+ ion, when the transition takes place between two levels whose...
- The wave numbers of three spectral lines of H atom are considered. Identify the set of spectral lines belonging to Balmer series....
- The wavelength of photon 'A' is 400 nm. The frequency of photon 'B' is 10^ 16 s⁻¹. The wave number of photon 'C' is 10^4 cm⁻¹....
- Radius of the first excited state of Helium ion is given as : a0 → radius of first stationary state of hydrogen atom.
- Given below are two statements : Statement (I) : A spectral line will be observed for a 2p_x 2p_y transition. Statement (II) :...
- Niobium (Nb) and ruthenium (Ru) have "x" and "y" number of electrons in their respective 4d orbitals. The value of x + y is...
- Given below are two statements: Statement (I) : For a given shell, the total number of allowed orbitals is given by n². Statement...
- Heat treatment of muscular pain involves radiation of wavelength of about 900 nm. Which spectral line of H atom is suitable for...
- For hydrogen atom, the orbital/s with lowest energy is/are : (A) 4s (B) 3p_x (C) 3d_ x^2-y^2 (D) 3d_ z^2 (E) 4p_z Choose the...
- In a multielectron atom, which of the following orbitals described by three quantum numbers with have same energy in absence of...
- Which of the following is/are not correct with respect to energy of atomic orbitals of hydrogen atom? (A) 1s < 2p < 3d < 4s (B)...
- Statement (I): It is impossible to specify simultaneously with arbitrary precision, both the linear momentum and the position of...
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