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PATHFINDER-ATOMIC STRUCTURE-QUESTION BANK
- The atomic number of elements A and B is 9 and 17 respectively. Why is...
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- Indicate the number of unpaired electrons in a) P(15), b) Si(14), c) C...
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- Give the difference between orbit and orbital.
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- Write the isoelectronic species of Na^+, K^+, Mg^+2, Ca^+2, S^-2, Ar.
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- What should be the ratio of velocities of CH4 molecule and O2 molecule...
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- The mass of an electron is 9.1xx10^-31kg. If its K.E. is 5xx10^-25J. C...
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- An electron in a Bohr orbit of hydrogen atom in quantum level n2 has a...
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- Match the column:
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- Match the column:
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- A subshell with n = 6 and / = 3 is designated as .
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- Find the change in velocity of an electron which has been excited from...
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- A bulb emits light of wavelength 4500A^@.The bulb is rated as 150 watt...
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- A photon of 300 nm is absorbed by a gas and then re emitted as two pho...
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- An electron is moving in 3rd orbit of Li^(+2) calculate Radius
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- An electron is moving in 3rd orbit of Li^(+2) calculate velocity
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- An electron is moving in 3rd orbit of Li^(+2) calculate potential ene...
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- An electron is moving in 3rd orbit of Li^(+2) calculate kinetic energ...
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- An electron is moving in 3rd orbit of Li^(+2) calculate energy
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- The energy of second orbit of hydrogen is equal to the energy of
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- An electron is moving in an orbit of circumference of 14.92 A^@ in He^...
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