Here we will provide you the 50+ MCQ Questions of Atoms for NEET-UG. Atoms is the chapter 12 in Class XII or Class 12 Physics NCERT Unit Atoms NEET (conducted by NTA) is based on the NCERT book.
Join our Telegram Channel, there you will get various e-books for CBSE 2024 Boards exams for Class 9th, 10th, 11th, and 12th.
These 50+ MCQ questions are selected by the experts of studyrate.in and these are more difficult questions, which will help you to better understand Atoms NEET MCQ Questions with Answers.
Atoms NEET MCQ
Which of the following statements is true regarding atomic spectra?
a) The emission spectrum of an element consists of a continuous spectrum with superimposed lines
b) The absorption spectrum of an element consists of a continuous spectrum with superimposed lines
c) The emission spectrum of an element consists of a series of discrete lines
d) The absorption spectrum of an element consists of a series of discrete lines
Which of the following statements is true regarding the Bohr model of the atom?
a) Electrons in the atom can occupy any energy level
b) The angular momentum of the electron is quantized
c) The electron can exist in any orbit around the nucleus
d) The energy of the electron is proportional to its velocity
Which of the following statements is true regarding the Heisenberg uncertainty principle?
a) It states that the position and momentum of a particle can be precisely determined at the same time
b) It states that the energy and momentum of a particle can be precisely determined at the same time
c) It states that the position and energy of a particle can be precisely determined at the same time
d) It states that the position and momentum of a particle cannot be precisely determined at the same time
Which of the following elements has the highest first ionization energy?
a) Lithium
b) Beryllium
c) Boron
d) Carbon
Which of the following statements is true regarding the photoelectric effect?
a) It occurs when a photon is absorbed by an atom, causing it to emit an electron
b) It occurs when an electron is absorbed by an atom, causing it to emit a photon
c) It involves the emission of electrons from a metal surface when it is illuminated by light of a certain frequency
d) It involves the emission of photons from a metal surface when it is illuminated by light of a certain frequency
Which of the following statements is true regarding the wave-particle duality of matter?
a) It states that matter can exhibit both wave-like and particle-like behavior
b) It states that matter can only exhibit wave-like behavior
c) It states that matter can only exhibit particle-like behavior
d) It states that matter can only exist in discrete energy levels
Which of the following statements is true regarding the quantum mechanical model of the atom?
a) It assumes that electrons exist in fixed orbits around the nucleus
b) It assumes that electrons can have any energy level
c) It assumes that electrons have a definite position and momentum at all times
d) It assumes that electrons exist in orbitals around the nucleus
Which of the following is not a valid quantum number for an electron in an atom?
a) n
b) l
c) s
d) m
The electronic configuration of copper is 1s2 2s2 2p6 3s2 3p6 3d10 4s1. What is the number of unpaired electrons in the outermost shell?
a) 0
b) 1
c) 2
d) 3
What is the term used to describe the energy required to remove an electron from an atom or ion in its ground state?
a) Ionization energy
b) Electron affinity
c) Electronegativity
d) Excitation energy
What is the maximum number of electrons that can occupy an orbital?
a) 1
b) 2
c) 4
d) 8
Which of the following is not a valid quantum number for an electron in an atom?
a) n
b) l
c) s
d) m
What is the ground state electron configuration of fluorine?
a) 1s2 2s2 2p5
b) 1s2 2s2 2p4
c) 1s2 2s1 2p5
d) 1s1 2s2 2p5
Which of the following is not a property of an electron in an atom?
a) Mass
b) Charge
c) Spin
d) Radius
What is the value of the azimuthal quantum number (l) for an electron in the 2p subshell?
a) 0
b) 1
c) 2
d) 3
What is the term used to describe the region of space around an atomic nucleus where an electron is most likely to be found?
a) Orbital
b) Shell
c) Subshell
d) Energy level
Which of the following elements has the highest electron affinity?
a) Sodium
b) Magnesium
c) Aluminum
d) Chlorine
What is the maximum number of electrons that can occupy the 3d subshell?
a) 2
b) 6
c) 10
d) 14
What is the maximum number of electrons that can have the following quantum numbers: n = 3, l = 2, ml = 1?
a) 1
b) 3
c) 5
d) 7
Which of the following is the correct electronic configuration of nitrogen in its excited state?
a) 1s2 2s2 2p3
b) 1s2 2s1 2p4
c) 1s2 2s2 2p2
d) 1s2 2s2 2p1
What is the effective nuclear charge experienced by a valence electron in an atom?
a) The nuclear charge minus the shielding effect of other electrons
b) The nuclear charge plus the shielding effect of other electrons
c) The shielding effect of other electrons only
d) The nuclear charge only
Which of the following statements is true regarding Hund’s rule?
a) Electrons fill orbitals of higher energy before filling lower energy orbitals
b) Each orbital can hold up to two electrons with opposite spins
c) Electrons in orbitals of the same energy occupy them singly with parallel spins before pairing up
d) The energy of an atom is the sum of the energies of its individual electrons
What is the value of the magnetic quantum number (ml) for an electron in an s orbital?
a) 0
b) 1
c) -1
d) -2
Which of the following elements has the highest first ionization energy?
a) Sodium
b) Magnesium
c) Aluminum
d) Silicon
What is the maximum number of electrons that can occupy the 4d subshell?
a) 2
b) 6
c) 10
d) 14
Which of the following is not a valid value for the principal quantum number (n)?
a) 0
b) 1
c) 2
d) 3
Which of the following statements is true regarding the Aufbau principle?
a) Electrons fill orbitals of higher energy before filling lower energy orbitals
b) Each orbital can hold up to two electrons with opposite spins
c) Electrons in orbitals of the same energy occupy them singly with parallel spins before pairing up
d) The energy of an atom is the sum of the energies of its individual electrons
What is the term used to describe the energy required to remove an electron from an ion in a specific electronic configuration?
a) First ionization energy
b) Second ionization energy
c) Electron affinity
d) Electronegativity
We hope there NEET MCQ of Class 12 Atoms will help you to score an excellent rank in NEET-UG. If you have any queries feel free to write in the comments section. We at Study Rate are always ready to serve our students.
