Structure of Atom questions
799 published questions with worked solutions.
- For which of the following sets of four quantum numbers, an electron will have the highest energy? [AIPMT 1994]
- In a given atom no two electrons can have the same values for all the four quantum numbers. This is called [AIPMT 1991]
- The maximum number of electrons in a subshell is given by the expression [AIPMT 1989]
- The spectrum of He is expected to be similar to that [AIPMT 1988]
- If the ratio of specific charge of a -particle to an -particle is n:1, then the value of n is?
- A beam of particles with velocity 2.5 10^ 7 m/s is scattered by a _ 79 Au nuclei. The distance of closest approach is 1.82 Å and...
- How many of the following species are both isobar and isoelectronic? ^ 130 _ 52 Te , ^ 40 _ 19 K ^+, ^ 130 _ 54 Xe ^ 2+ , ^ 40 _...
- The radius of nucleus is of the order of 10^ -x m and that of atom is of the order of 10^ -y m. What is the value of x+y?
- The bond dissociation energy of H_2 is 436 kJ/mol. A molecule of hydrogen is dissociated by radiation of wave-length 30 nm. What...
- According to Bohr atomic model, the ratio of orbital frequencies of an electron in first orbit to that in third orbit is p:1. The...
- If r_n(S) represents the radius of electron in n^ th orbit of S species, then what is the value of w+x+y+z in the following...
- The ratio of kinetic energy, potential energy and total energy of an electron in a hydrogen like atom/ion is a:b:c. What is the...
- The energy of an electron in the ground state of H atom is -13.6 eV. How many of the below mentioned values are possible for...
- For the transition n_2 n_1 of an electron in He^+ ion, the value of emitted energy is same as the energy corresponds to the first...
- A species which complies with Bohr atomic model, absorbs a particular number of photons (having equal energy) in its ground...
- A species in which Bohr atomic model does not fail, has ionization potential of 21008 kJ/mol. What is the number of neutrons in...
- In hydrogen emission spectrum, the third line (towards left) from the red line (excluding this line) corresponds to electron jump...
- Two samples are taken containing species H and Li in some excited state. After spectrum analysis, it was found that the total...
- Complying with Bohr atomic model, an electron from 6th excited state emits energy and comes to various lower energy states. The...
- The de Broglie wavelength of an electron in 3rd orbit of He^+ ion is equal to that of electron in n^ th orbit of Be^ 3+ ion. What...
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