Nuclear theory of the atom was put forward by
Rutherford
Aston
Neils Bohr
J.J. Thomson
Additional Questions
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Consider the ground state of Cr atom (Z = 24). The numbers of electrons with the azimuthal quantum numbers, l = 1 and 2 are, respectively: |
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How many neutrons are present in tritium nucleus? |
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Energy of H-atom in the ground state is –13.6 eV, hence energy in the second excited state is |
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An atomic nucleus having low n/p ratio tries to find stability by |
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Based on equation E = –2.178 × 10–18 J $\left(\dfrac{ \text{z}^2}{\text{n}^2} \right)$ certain conclusions are written. Which of them is not correct? |
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Lithium forms body centred cubic structure. The length of the side of its unit cell is 351 pm. Atomic radius of the lithium will be : |
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If the wavelength of an electromagnetic radiation is 2000Å, what is its energy in ergs? |
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In hydrogen atom, energy of first excited state is -3.4eV. Then find out K.E. of same orbit of hydrogen atom. |
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The angular momentum of an electron present in the excited state of Hydrogen is 1.5h/π. The electron is present in |
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If the nitrogen atom had electronic configuration 1s7, it would have energy lower than that of the normal ground state configuration 1s2 2s2 2p3, because the electrons would be closer to the nucleus, yet 1s7 is not observed because it violates: |
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