Atomic Structure (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry): Questions 8 - 15 of 97

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Question number: 8

» Atomic Structure » Spin Quantum Number

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MCQ▾

Question

The maximum number of atomic orbitals associated with a principal quantum number 5 is -

Choices

Choice (4) Response

a.

25

b.

12

c.

16

d.

9

Question number: 9

» Atomic Structure » Spin Quantum Number

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MCQ▾

Question

Beryllium’s fourth electron will have the four quantum numbers -

n m s

Choices

Choice (4) Response

a.

2 1 0 + 1/2

b.

2 0 0 - 1/2

c.

1 1 1 1/2

d.

1 0 0 1/2

Question number: 10

» Atomic Structure » Spin Quantum Number

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MCQ▾

Question

Lithium-three electron will have the quantum numbers

n m s

Choices

Choice (4) Response

a.

1 0 0 1/2

b.

2 0 0 - 1/2

c.

2 0 0 + 1/2

d.

1 1 1 1/2

Question number: 11

» Atomic Structure » Rules for Filling Electrons in Orbitals

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MCQ▾

Question

The order of increasing energies of the orbitals follows –

Choices

Choice (4) Response

a.

3s, 3p, 4s, 3d, 4p

b.

3s, 3p, 3d, 4p, 4s

c.

3s, 3p, 4s, 4p, 3d

d.

3s, 3p, 3d, 4s, 4p

Question number: 12

» Atomic Structure » Shapes of S, P and D - Orbitals

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MCQ▾

Question

P-orbital’s shape is-

Choices

Choice (4) Response

a.

Pear shape

b.

Sphere shape

c.

Triangle shape

d.

Complex shape

Question number: 13

» Atomic Structure » Heisenberg Uncertainty Principle

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MCQ▾

Question

The uncertainty in position and velocity of a particle are m and 5.27 x ms-1 respectively. Calculate the mass of the particle is (h = 6.625 x Js)

Choices

Choice (4) Response

a.

0.92 kg

b.

0.99 g

c.

0.099 kg

d.

All of the above

Question number: 14

» Atomic Structure » Rules for Filling Electrons in Orbitals

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MCQ▾

Question

Electron density in an orbital is correctly described by –

Choices

Choice (4) Response

a.

Ψ 2 / ψ

b.

ψ

c.

ψ2

d.

None of the above

Question number: 15

» Atomic Structure » De-Broglie's Relationship

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MCQ▾

Question

If a particle have momentum of p = 1.60 what will be the de Broglie wavelength (m) of that particle?

Choices

Choice (4) Response

a.

500nm

b.

478nm

c.

414 nm

d.

520nm

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