TEST  24 ( Structure of Atom )
EFFORTS NEVER FAIL
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NAME :
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Your answer
1.The quantum number which is related to the size and energy of the main shell is ?
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1 point
Principle
Angular momentum
Magnetic
Spin
2. The quantum number which is related to the shape of the sub shell.
*
1 point
Principle
Angular momentum
Magnetic
Spin
3. Principal quantum number was introduced by
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1 point
Neil Bohr
Sommerfeld
Lande
J.J Thomson
4. Azimuthal quantum number was introduced by
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1 point
Neil Bohr
Sommerfeld
Lande
J.J Thomson
5. Magnetic quantum number was introduced by
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1 point
Neil’s Bohr
Sommerfeld
Lande
J.J Thomson
6. Spin Quantum Number (ms) was introduced by......and .....
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1 point
Neil’s Bohr, Sommerfeld
Lande , arnold
Uhlen beck,Goldsmith
Sommerfeld , arnold
7. Quantum mechanical model of atom was developed by
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1 point
Neil’s Bohr
Sommerfeld
Lande
Erwin Schrodinge
7. The total number of electrons that can occupy various shell or orbit was
1 point
2n2
2n
n1
n+1
Clear selection
8. The lowest energy of the orbital was given by the formula
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1 point
2n2
2n
n1
n+1
9. For a given n value the angular momentum quantum numbers are
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1 point
2n2
2n
n1
n+1
10. Quantum theory is proposed by
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1 point
Max Planck
J J Thomson
Rutherford
Mosley
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