TEST - 24 ( Structure of Atom )

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EFFORTS NEVER FAIL

NAME : *

1.The quantum number which is related to the size and energy of the main shell is ? *

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 *

1 point

Neil Bohr

Sommerfeld

Lande

J.J Thomson

4. Azimuthal quantum number was introduced by *

1 point

Neil Bohr

Sommerfeld

Lande

J.J Thomson

5. Magnetic quantum number was introduced by *

1 point

Neil’s Bohr

Sommerfeld

Lande

J.J Thomson

6. Spin Quantum Number (ms) was introduced by......and ..... *

1 point

Neil’s Bohr, Sommerfeld

Lande , arnold

Uhlen beck,Goldsmith

Sommerfeld , arnold

7. Quantum mechanical model of atom was developed by *

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

n-1

n+1

Clear selection

8. The lowest energy of the orbital was given by the formula *

1 point

2n2

n-1

n+1

9. For a given n value the angular momentum quantum numbers are *

1 point

2n2

n-1

n+1

10. Quantum theory is proposed by *

1 point

Max Planck

J J Thomson

Rutherford

Mosley

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