Structure of Atom questions
799 published questions with worked solutions.
- The binding energy of the electron in the lowest orbit of the hydrogen atom is 13.6 eV. The energies required in eV to remove an...
- Two electrons A and B in an atom have the following sets of quantum numbers: A: 3,2,-2,+1/2; B: 3,0,0,+1/2. Which statement is...
- The species that has the same number of electrons as _ 16 S^ 32 is:
- Mass of an electron is:
- Which electronic level will allow the hydrogen atom to absorb a photon but not emit one?
- The quantum numbers for the last electron of an atom are n=2, l=0, m=0, s=+1/2. The atom is:
- The quantum number that does not describe the distance and angular disposition of the electron is:
- The wave mechanical model of the atom depends upon:
- Out of the first 100 elements, the number of elements having electrons in 3d-orbitals is:
- When the 3d-orbital is complete, the newly entering electron goes into:
- The total number of values of the magnetic quantum number for an electron when n=2 is:
- Which consists of particles of matter?
- Two electrons in the same orbital may be identified by:
- In order to designate an orbital n in an atom, the number of quantum numbers required is:
- The n+l value for the 3p-energy level is:
- How many electrons with l=3 are there in an atom having atomic number 54?
- According to Bohr's model of the hydrogen atom:
- As the electron moves away from the nucleus, its KE:
- The quantum numbers of the most energetic electron in a Ne atom when it is in its first excited state are:
- The statements are valid for: (i) In filling a group of orbitals of equal energy, it is energetically preferable to assign...
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