Atoms
Quiz by Yogavathi Muthu
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- Q1
Atom, as a whole is
electrically neutral
120s - Q2
Electrons are
negatively charged
120s - Q3
Protons are
positively charged
120s - Q4
Which model was known as Plum Pudding model?
Thomson's model
120s - Q5
In which model did atom resemble the solar system?
Rutherford's model
120s - Q6
In Rutherford’s model, most of the mass of the atom and all its positive charge are
concentrated in the nucleus
spread equally around the atom
120s - Q7
Which of the following characteristic of an atom provides useful information about the atomic structure?
Atomic spectra
Sounds
120s - Q8
Which series of spectrum does this formula represent?
Paschen series
Balmer series
Lyman series
120s - Q9
According to Bohr's model, the stationary orbits are those for which the angular momentum is
proportional to h/c
an integral multiple of of 2π/h
half integral of h*2π
an integral multiple of of h/2π
120s - Q10
Which of the following is a limitation of Bohr's model?
It is applicable only for heavier atoms
It doesn't explain the presence of nucleus
Bohr quantisation condition
It is applicable only to hydrogenic atoms
120s
