atomic-structure

Related Questions

• In Balmer series of hydrogen atom spectrum which electronic transition causes third line

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• Cathode rays are made up of

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• The frequency of an electromagnetic radiation is $2 \times {10^6}Hz$. What is its wavelength in metres (Velocity of light $ = 3 \times {10^8}m{s^{ - 1}}$)

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• The atomic number of an element is $35$ and mass number is $81$. The number of electrons in the outer most shell is

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• Positronium consists of an electron and a positron (a particle which has the same mass as an electron, but opposite charge) orbiting round their common centre of mass. Calculate the value of the Rydberg constant for this system.

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