Atomic Structure (NEET (NTA)National Eligibility cum Entrance Test (Medical) Chemistry): Questions 16  21 of 73
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Question number: 16
» Atomic Structure » Rules for Filling Electrons in Orbitals
Question
for a given value of n (principal quantum number), the energy of different subshells can be arranged in the order of:
Choices
Choice (4)  Response  

a.  f > p > d > s 

b.  s > p < d > f 

c.  s > f > p > d 

d.  f > d > p > s 

Question number: 17
» Atomic Structure » Heisenberg Uncertainty Principle
Question
Uncertainty in position of a minute particle of mass 25g in space is 1m. The uncertainty in its velocity (in m/s) is
Choices
Choice (4)  Response  

a.  2.1 

b.  2.1 

c.  2.1 

d.  2.1 

Question number: 18
» Atomic Structure » Electronic Configuration of Elements
Question
Choose the correct options 
Choices
Choice (4)  Response  

a.  For other canonical conjugates of motion, the equation for Heisenberg’s uncertainty principle may give which is  (for energy and time) 

b.  The maximum number of an electron in any energy level is 2n^{2} 

c.  The maximum number of electrons placed in a subshell is given by 2 (2ℓ + 1) 

d.  Both b. and c. are correct 

Question number: 19
» Atomic Structure » Hund's Rule
Question
The total angular momentum (l) resulting from a d^{7} configuration is –
Choices
Choice (4)  Response  

a. 


b.  2 

c. 


d.  3 

Question number: 20
» Atomic Structure » DeBroglie's Relationship
Question
The wavelength of a 150 g rubber ball moving with velocity 50 m sec^{1} is 
Choices
Choice (4)  Response  

a. 


b. 


c. 
 
d. 


Question number: 21
» Atomic Structure » DeBroglie's Relationship
Question
Calculate momentum of radiations of wavelength 0.33 nm.
Choices
Choice (4)  Response  

a.  Kg m sec^{1} 

b.  Kg m sec^{1} 

c.  Kg m sec^{1} 

d.  Kg m sec^{1} 
