12th Grade > Chemistry
ATOMIC STRUCTURE MCQs
Total Questions : 15
| Page 2 of 2 pages
Answer: Option B. -> I
:
B
The shape of an orbital is given by azimuthal quantum number 'l'
:
B
The shape of an orbital is given by azimuthal quantum number 'l'
Answer: Option A. -> n=4, 1=3, m=+1, s=+12
:
A
The possible quantum numbers for 4f electron are
n=4, l=3, m=-3, -2, -1, 0, 1, 2, 3 and s=±12
:
A
The possible quantum numbers for 4f electron are
n=4, l=3, m=-3, -2, -1, 0, 1, 2, 3 and s=±12
Answer: Option C. -> n = 3, l = 1, m = 1
:
C
atomic number of Cl=17 , electronic configuration = 1s22s22p63s23p5For 3p orbital n=3, l=1 m=-1,0,+1
:
C
atomic number of Cl=17 , electronic configuration = 1s22s22p63s23p5For 3p orbital n=3, l=1 m=-1,0,+1
Answer: Option C. -> He42and O168
:
C
Isodiaphers have same value of A – (2Z)
:
C
Isodiaphers have same value of A – (2Z)
Answer: Option C. -> 2 × 10−29 kg
:
C
Δx×m×Δv≥h4π
1×10−10×m×3.34π×105≥6.6×10−344×π
M=2×10−29kg
:
C
Δx×m×Δv≥h4π
1×10−10×m×3.34π×105≥6.6×10−344×π
M=2×10−29kg