Atomic Structure (NEET (NTA)National Eligibility cum Entrance Test (Medical) Chemistry): Questions 1  7 of 97
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Question number: 1
» Atomic Structure » Heisenberg Uncertainty Principle
Question
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.  2.22m/s 

b.  2.22m/s 

c.  3.51m/s 

d.  3.51m/s 

Question number: 2
» Atomic Structure » Spin Quantum Number
Question
If the set of quantum number of an element is n = 4, l = 0, m = 0 and s=+1/2. Identify that element.
Choices
Choice (4)  Response  

a.  Titanium 

b.  Sodium 

c.  Potassium 

d.  Scandium 

Question number: 3
» Atomic Structure » Spin Quantum Number
Question
Correct set of four quantum numbers for the outermost electron of rubidium (Z = 37) is 
Choices
Choice (4)  Response  

a.  5,1, 0,1/2 

b.  5,1, 1,1/2 

c.  5,0, 0,1/2 

d.  6,0, 0, ½ 

Question number: 4
» Atomic Structure » Spin Quantum Number
Question
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 

Question number: 5
» Atomic Structure » Hund's Rule
Question
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 

Question number: 6
» Atomic Structure » Quantum Mechanics
Question
The wavemechanical 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 

Question number: 7
» Atomic Structure » Heisenberg Uncertainty Principle
Question
If uncertainty in position and momentum are equal, the uncertainty in velocity is –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 
