Class XI

Daltons atomic theory could not explain one of the following
  1. Law of constant composition
  2. Discovery of sub-atomic particles
  3. Law of multiple Proportions,
  4. Law of conservation of mass
One of the orbitals is non-directional
  1. f- orbital
  2. s- orbital
  3. p- orbital
  4. d- orbital
in the Thomson Model of Atom
  1. electrons oscillate about the nucleus
  2. electrons are embedded in a positively charged pudding or water melon
  3. electrons swarm like flies around nucleus
  4. electrons move in circular orbits around nucleus
Maximum number of electrons in a subshell with l = 3 and n = 4 is
  1. 14
  2. 16
  3. 32
  4. 12
Give the name and atomic number of the inert gas atom in which the total number of d-electrons is equal to the difference between the numbers of total p and total s electrons.
  1. Kr ( atomic no.=36)
  2. As ( atomic no.=36)
  3. Br ( atomic no.=36
  4. Cl ( atomic no.=36)
Time Elapsed

HR : MIN : SEC
Question Answered
0
Score out of 100
0

Get Started!

we provide the best
services to our students

AmazingCounters.com Views

 

LKG - 12th

Rs 1,999  Annual
Plan
TOP