Structure of Atom questions
799 published questions with worked solutions.
- Consider the ground state of chromium (Z=24). The numbers of electrons with azimuthal quantum numbers l=1 and l=2 are respectively
- The total spin for atoms with atomic number 7, 24, 34, 36 will be
- Statement 1: The radius of the second orbit of He^+ is equal to that of the first orbit of hydrogen atom. Statement 2: The radius...
- In the ground state of Cu^+, the number of shells occupied, sub-shells occupied, filled orbitals and unpaired electrons...
- Statement 1: Only the principal quantum number determines the energy of an electron in an orbital in a sodium atom. Statement 2:...
- Four different sets of quantum numbers for 4 electrons are given below: e_1=4,0,0,- 12; e_2=3,1,1,- 12; e_3=3,2,2,+ 12;...
- If an electron has a spin quantum number of + 12 and a magnetic quantum number of -1, it cannot be present in an
- The incorrect statement about Bohr's orbit of the hydrogen atom is
- Which of the following has the maximum number of unpaired electrons?
- Statement 1: The charge to mass ratio of the particles in anode rays depends on the nature of the gas taken in the discharge...
- The correct set of four quantum numbers for the valence electron of rubidium (Z=37) is
- The maximum number of electrons that can be accommodated in an orbital is _____.
- How many of the following are possible: 1p, 2s, 3p, 3f, 3d?
- The orbital angular momentum quantum number of the state S_2 is _____.
- If each hydrogen atom in the ground state, 1.0 mol of H atoms, is excited by absorbing photons of energy 8.4 eV , 12.09 eV , 15.0...
- The number of nodes in a 3p orbital is _____.
- What is the total number of pairs of electrons having at least three (out of four) quantum numbers the same, for beryllium?
- When ^7_4Be captures one electron, the mass number of the element formed is _____.
- Emission of an alpha particle decreases the atomic number of the parent element by _____.
- Emission of a -particle increases the atomic number of the parent element by _____.
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