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NEET UG CHEMISTRY MCQ: STRUCTURE OF ATOM
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Consider the following statements about wave function?
I. When an electron is in energy state, the wave function corresponds to that energy state, which contains all information about the electron.
II. It is a mathematical function whose value depends upon the coordinates of the electron in the atom and does not carry any physical meaning.
III. Wave functions of hydrogen or hydrogen like species with one electron are called atomic orbitals.
IV. Wave functions pertaining to one-electron species are called one-electron systems.
The correct statements are
I. When an electron is in energy state, the wave function corresponds to that energy state, which contains all information about the electron.
II. It is a mathematical function whose value depends upon the coordinates of the electron in the atom and does not carry any physical meaning.
III. Wave functions of hydrogen or hydrogen like species with one electron are called atomic orbitals.
IV. Wave functions pertaining to one-electron species are called one-electron systems.
The correct statements are
View answer and explanation
Correct option: D
All of these
Option D (All of these) is correct because all four statements accurately describe wave functions.
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Reason: The oscillating electric and magnetic fields produced by oscillating charged particles are parallel to each other and both are perpendicular to the direction of propagation of the wave. S-I: The orbital has maximum electron density along the y axis and its nodal plane is xz plane.
S-II : For a given atom, for all values of , the -orbitals have the same shape, but the overall size decreases as '' increases. S-I: Elements like and were discovered when their minerals were analysed by spectroscopic methods.
S-II: The element helium was discovered in the sun by spectroscopic method. In which one of the following, the number of protons is greater than number of neutrons but number of protons is less than the number of electrons?
Reason: The oscillating electric and magnetic fields produced by oscillating charged particles are parallel to each other and both are perpendicular to the direction of propagation of the wave. S-I: The orbital has maximum electron density along the y axis and its nodal plane is xz plane.
S-II : For a given atom, for all values of , the -orbitals have the same shape, but the overall size decreases as '' increases. S-I: Elements like and were discovered when their minerals were analysed by spectroscopic methods.
S-II: The element helium was discovered in the sun by spectroscopic method. In which one of the following, the number of protons is greater than number of neutrons but number of protons is less than the number of electrons?