Structure of Atom questions
799 published questions with worked solutions.
- No two electrons can have the same values of ____ quantum numbers.
- What does the electronic configuration 1s^2,2s^2,2p^5,3s^1 indicate? **[Guj CET 2010]**
- Which of the following electronic configurations is not possible? **[MHT-CET 2003]**
- **Statement 1:** Isobars are identical in chemical properties. **Statement 2:** Isobars have the same mass number (total number...
- **Statement 1:** 5s orbital has greater energy than 4s. **Statement 2:** Energy of the orbital depends on the azimuthal quantum...
- **Statement 1:** In a multi-electron atom, the energy of the orbital is independent of the azimuthal quantum number (l) for a...
- **Statement 1:** An orbital cannot have more than two electrons. **Statement 2:** The two electrons in an orbital create opposite...
- **Statement 1:** Radiant energy of a quantum is given by E=h . **Statement 2:** Quantum in the energy equation signifies the...
- When -particles are sent through a thin metal foil, most of them go straight through the foil because
- When a gold sheet is bombarded by a beam of -particles, only a few of them get deflected, whereas most go straight undeflected....
- An atomic transition gives rise to radiation of frequency 10^4 MHz . The change in energy per mole of atoms taking place would be
- The characteristic not associated with Planck's theory is
- The line spectra of two elements are not identical because
- Bohr's theory is applicable to
- The emission spectrum of hydrogen is found to satisfy the expression for the energy change, E (in joules), such that E=2.18 10^...
- The ionization energy of the ground state hydrogen atom is 2.18 10^ -18 J . The energy of an electron in its second orbit would be
- According to Bohr's model of the hydrogen atom
- The statement that does not belong to Bohr's model of the atom is
- The principal quantum number of the H-atom orbital, if the electron energy is -3.4 eV , will be
- Choose the incorrect relation on the basis of Bohr's theory
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