Structure of Atom questions
799 published questions with worked solutions.
- According to Bohr's model of hydrogen atom, which of the following statement is incorrect?
- Which one of the following about an electron occupying the 1s orbital in a hydrogen atom is incorrect ? (Bohr's radius is...
- Correct statements for an element with atomic number 9 are A. There can be 5 electrons for which m_s = + 1 2 and 4 electrons for...
- The energy of an electron in first Bohr orbit of H^- atom is –13.6 eV. The magnitude of energy value of electron in the first...
- Consider the ground state of chromium atom (Z = 24). How many electrons are with Azimuthal quantum number l = 1 and l = 2...
- The extra stability of half-filled subshell is due to : (A) Symmetrical distribution of electrons (B) Smaller coulombic repulsion...
- The correct set of four quantum numbers for the valence electrons of rubidium atom (Z = 37) is -
- The radius of the second Bohr orbit for hydrogen atom is – (Planck's Const. h = 6.6262 10^ -34 Js; mass of electron = 9.1091 10^...
- The quantum numbers of four electrons are given below: I. n = 4, l = 2, m_l = −2, m_s = - 12 II. n = 3, l = 2, m_l = 1, m_s = +...
- Which one of the following about an electron occupying the 1s orbital in a hydrogen atom is incorrect? (The Bohr radius is...
- Which of the following combination of statements is true regarding the interpretation of the atomic orbitals? (a) An electron in...
- For emission line of atomic hydrogen from n_i = 8 to n_f = n, the plot of wave number ( ) against ( 1 n^2 ) will be (The Rydberg...
- If the de Broglie wavelength of the electron in nth Bohr orbit in a hydrogenic atom is equal to 1.5 a_0 (a_0 is Bohr radius),...
- Heat treatment of muscular pain involves radiation of wavelength of about 900 nm. Which spectral line of H-atom is suitable for...
- The ground state energy of hydrogen atom is −13.6 eV. The energy of second excited state of He^+ ion in eV is:
- The 71st electron of an element X with an atomic number of 71 enters into the orbital:
- Among the following, the energy of 2s orbital is lowest in:
- Consider the hypothetical situation where the azimuthal quantum number, takes values 0, 1, 2, .... n + 1. where n is the...
- The number of radial node/s for 3p orbital is:
- Choose the Incorrect Statement about Dalton's Atomic Theory
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