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Structure Of Atom
Quiz 3
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Q.1
The correct electronic configuration of Cr (Z=is
[Ar] 3d 5 4s 1
[Ar] 3d 4 4s 2
[Ar] 3d 9 4s 2
[Ar] 3d 10 4s 1
Q.2
The probability of finding the electron in a certain space around the nucleus is known as:
Schrödinger's equation
Wavefunction
Orbital
Quantum numbers
Q.3
What are the possible values of the magnetic quantum number for an electron in aorbital?
-3, -2, -1, 0, +1, +2, +3
-2, -1, 0, +1, +2
-1, 0, +1
0
Q.4
Which spectra is known as fingerprint spectra?
Continuous emission spectra
Line emission spectra
Absorption spectra
All of above
Q.5
In photoelectric effect, the kinetic energy of the photoelectrons increases linearly with the
Wavelength of incident light
Frequency of incident light
Velocity of incident light
Atomic mass of the element
Q.6
The correct set of four quantum numbers for the balance electron of rubidium atom(z=is
5, 1, 1, +1/2
6, 0, 0, +1/2
5, 0, 0, +1/2
5, 1, 0, -1/2
Q.7
The spectral line in hydrogen spectrum obtained when the electron jumps from n=5 to n=2 energy level belongs to:
Lyman series
Balmer series
Paschen series
Pfund series
Q.8
Which element hasprotons ?
Gallium
Germanium
Gadolinium
Polonium
Q.9
The center of an atom that holds protons and neutrons?
model
electron
nucleus
neutron
Q.10
A proton has this charge
negative
positive
neutral
None of these
0 h : 0 m : 1 s
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