Structure of Atom questions
799 published questions with worked solutions.
- Calculate the energy per mole of photon of electromagnetic radiation having wave length 700 nm [h = 6.626 10^ -34 Js, C = 3 10^ 8...
- Which from following is NOT hydrogen like species?
- What is the number of node in 2s orbital?
- Which of the following elements contains maximum number of unpaired electrons?
- Which from following d-orbitals has different shape as compared with others?
- "Pairing of electrons in the orbitals belonging to the same subshell does not occur unless each orbital belonging to that...
- "It is impossible to determine simultaneously the exact position and exact momentum of an electron" This statement is called
- The following sets of quantum numbers represent four electrons in an atom. (i) n = 4, l = 1 (ii) n = 4, l = 0 (iii) n = 3, l = 2...
- The electrons identified by quantum numbers n and l : (a) n = 4, l = 1 (b) n = 4, l = 0 (c) n = 3, l = 2 (d) n = 3, l = 1 Can be...
- Energy of an electron is given by E = -2.178 10^ -18 ( Z^2 n^2 ) J. Wavelength of light required to excite an electron in a...
- In an atom how many orbital(s) will have the quantum numbers; n = 3, l = 2 and m_l = +2 ?
- The wave number of the first emission line in the Balmer series of H-Spectrum is : (R = Rydberg constant ) :
- The numbers of protons, electrons and neutrons in a molecule of heavy water are respectively :
- The energy of an electron in first Bohr's orbit of H atom is −13.6 eV. The energy value of electron in the first excited state of...
- The 2s and the 2p orbital energies of hydrogen atom are E_ 2s (H) and E_ 2p (H), respectively. The 2s and the 2p orbital energies...
- X^ a+ and Y^ b+ are hydrogen-like species. The wavelength of light absorbed during the transition between the states with...
- Match List I with List II : List I (Quantum Numbers) A. n = 2, l = 1 B. n = 4, l = 0 C. n = 5, l = 3 D. n = 3, l = 2 List II...
- Which of the following is the energy of a possible excited state of hydrogen?
- If the principal quantum number n = 6, the correct sequence of filling of electrons will be:
- The total number of orbitals associated with the principal quantum number 5 is:
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