Structure of Atom questions
799 published questions with worked solutions.
- What is the energy (in eV) required to excite the electron from n=1 to n=2 state in a hydrogen atom? (n= principal quantum number)
- An electron from one Bohr stationary orbit can go to the next higher orbit **[UP SEE 2008]**
- An electronic transition in a hydrogen atom results in the formation of the H_ line of hydrogen in the Lyman series. The energies...
- The ratio of the difference in energy between the first and the second Bohr orbit to that between the second and the third Bohr...
- The number of waves made by an electron in an orbit are
- The frequency of light emitted for the transition n=4 to n=2 of He ^+ is equal to the transition in H atom corresponding to which...
- Which hydrogen-like species will have the same radius as that of the Bohr orbit of the hydrogen atom? **[IIT JEE 2004]**
- The wave number of the first line in the Lyman series of a hydrogen spectrum is **[Pb CET 2010]**
- Energy of the H-atom in the ground state is -13.6 eV ; hence the energy in the second excited state is
- The ionisation enthalpy of the hydrogen atom is 1.312 10^6 J mol ^ -1 . The energy required to excite the electron in the atom...
- The radius of the electron in the first excited state of the hydrogen atom is (where a_0 is the Bohr's radius)
- The nodes present in 3p-orbitals are
- Electron density in the YZ plane of the 3d_ x^2-y^2 orbital is
- The number of radial nodes of 3s and 2p orbitals are respectively
- Calculate the wavelength (in nanometre) associated with a proton moving at 1.0 10^3 ms ^ -1 (mass of proton =1.67 10^ -27 kg and...
- Which of the following is the correct form of the Schrödinger wave equation? **[Guj CET 2009]**
- A body of mass 10 mg is moving with a velocity of 100 ms ^ -1 . The wavelength of the de-Broglie wave associated with it would be...
- Uncertainty in the position of a particle of 25 g in space is 10^ -5 m . Hence, the uncertainty in velocity (ms^ -1 ) is...
- The de-Broglie equation applies **[MP PET 2004]**
- The probability of finding the electron in the orbital is
Other chapters
Alcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAlternating CurrentAminesAnatomy of Flowering PlantsAncient Indian HistoryAnimal KingdomApplication of DerivativesArea Under CurveAromatic Compounds and Aryl HalidesAtomsBasic Mathematics and LogarithmBinomial TheoremBiodiversity and ConservationBiological ClassificationBiomoleculesBiotechnology and Its ApplicationsBiotechnology: Principles and ProcessesBody Fluids and CirculationBreathing and Exchange of GasesCell Cycle and Cell DivisionCell: The Unit of LifeChemical Bonding and Molecular StructureChemical Coordination and Integration