Structure of Atom questions
799 published questions with worked solutions.
- When electrons in the N-shell of an excited hydrogen atom return to the ground state, the number of possible lines in the...
- When the 4f-level of an atom is completely filled with electrons, the next electron will enter:
- In the ground state of a chromium atom (Z=24), the total number of orbitals populated by one or more electrons is:
- The maximum number of unpaired electrons present in the 4f energy level is:
- The ratio of the radius of the III and IV Bohr orbits in the hydrogen atom is:
- How many sets of four quantum numbers are possible for the electrons present in He?
- Which atom has as many s-electrons as p-electrons?
- Two electrons in an atom of an element cannot have:
- A quanta will have more energy if:
- Which orbital is represented by _ 4,2,0 ?
- The correct designation of an electron with n=4, l=3, m=2, s=1/2 is:
- Krypton (_ 36 Kr) has the electronic configuration [_ 18 Ar]4s^23d^ 10 4p^6. The 37th electron will go into which of the...
- Transition of an electron from n=3 to n=1 level results in:
- The energy of the electron at infinite distance from the nucleus in Bohr's model is taken as:
- Number of electrons in the nucleus of an element of atomic number 14 is:
- In an atom, wave mechanics suggests that electrons:
- The electrons would go to lower energy levels first and then to higher energy levels according to which of the following?
- Suppose a completely filled or half-filled set of p or d orbitals is spherically symmetrical. Point out the species which is...
- For which species does Bohr's theory not apply?
- Line spectra are characteristic of:
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