11th Chemistry Weekly Test - 4 ( Quantum Mechanical Model of Atom )

MABS Institution

11th Chemistry Weekly Test - 4 ( Quantum Mechanical Model of Atom )-Aug 2020

Time : 1.30 Hours

Part - A

Generic 3 - Answer All Question

Calculate the uncertainty in the position of a cricket ball of mas 150g if the uncertainty in velocity is 3.52 \(\times\) 10^-24 ms^-1

The effect of uncertainty principle is significant only for motion of microscopic particles and is negligible for the macroscopic particles. Justify the statement with the help of a suitable example.

Which of the following orbitals are possible? 1p, 2s, 2p and 3f.

How does the Bohr theory of the hydrogen atom differ from that of Schrodinger?

In Rutherford's experiment, generally thin foil of heavy atoms, like gold, platinum etc. have been used to bombard the a-particles. If the thin foil of light atoms like aluminum is used, what difference would be observed from the above results?

How many electrons can have s+ 1/2 in a d-subshell?

Write a note on the shape of f orbitals

Write the electronic configurations of the following ions:
(a) H^- (b) Na⁺ (c) O^2- (d) F^-

What are quantum numbers?

What is the maximum number of electrons that can be accommodated in a shell?

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11th Chemistry Weekly Test - 4 ( Quantum Mechanical Model of Atom )

MABS Institution

11th Chemistry Weekly Test - 4 ( Quantum Mechanical Model of Atom )-Aug 2020

Part - A

Generic 3 - Answer All Question

Calculate the uncertainty in the position of a cricket ball of mas 150g if the uncertainty in velocity is 3.52 \(\times\) 10-24 ms-1

The effect of uncertainty principle is significant only for motion of microscopic particles and is negligible for the macroscopic particles. Justify the statement with the help of a suitable example.

Which of the following orbitals are possible? 1p, 2s, 2p and 3f.

How does the Bohr theory of the hydrogen atom differ from that of Schrodinger?

In Rutherford's experiment, generally thin foil of heavy atoms, like gold, platinum etc. have been used to bombard the a-particles. If the thin foil of light atoms like aluminum is used, what difference would be observed from the above results?

How many electrons can have s+ 1/2 in a d-subshell?

Write a note on the shape of f orbitals

Write the electronic configurations of the following ions: (a) H- (b) Na+ (c) O2- (d) F-

What are quantum numbers?

What is the maximum number of electrons that can be accommodated in a shell?

Comment

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Calculate the uncertainty in the position of a cricket ball of mas 150g if the uncertainty in velocity is 3.52 \(\times\) 10^-24 ms^-1

Write the electronic configurations of the following ions:
(a) H^- (b) Na⁺ (c) O^2- (d) F^-