Atomic Structure [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Chemistry]: Questions 1 - 6 of 128

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Question 1

Question MCQ▾

what will be the uncertainty in velocity of a cricket ball if its uncertainty in position is of order of 1Å.

(If mass = 0.15kg)

Choices

Choice (4)Response

a.

2.22 m/s

b.

2.22 m/s

c.

3.51 m/s

d.

3.51 m/s

Edit

Question 2

Question MCQ▾

If the set of quantum number of an element is n = 4, l = 0, m = 0 and s =+ . Identify that element.

Choices

Choice (4)Response

a.

Titanium

b.

Sodium

c.

Potassium

d.

Scandium

Edit

Question 3

Question MCQ▾

Correct set of four quantum numbers for the outermost electron of rubidium (Z = 37) is -

Choices

Choice (4)Response

a.

5,1, 0,

b.

5,1, 1,

c.

5,0, 0,

d.

6,0, 0,

Edit

Question 4

Question MCQ▾

The maximum number of atomic orbitals associated with a principal quantum number 3 is

Choices

Choice (4)Response

a.

25

b.

12

c.

16

d.

9

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Question 5

Question MCQ▾

For a given electron configuration, the term with maximum multiplicity has the lowest energy. This rule was proposed by-

Choices

Choice (4)Response

a.

Pauli

b.

Hund

c.

Aufbau

d.

Dalton

Edit

Question 6

Question MCQ▾

The wave-mechanical model of atom is based upon -

Choices

Choice (4)Response

a.

De Broglie concept of dual character of matter

b.

Schrodinger wave equation

c.

Heisenberg՚s uncertainty principle

d.

All a., b. and c. are correct

Edit