Preparing for the Joint Entrance Exam (JEE) can be a daunting task. With so many subjects to cover and so many topics to study, it can be challenging to know where to start. One essential topic in the JEE Mains syllabus is the Atoms. In this article, we will provide 50+ MCQ questions on the Atoms, along with detailed solutions to help you prepare for the JEE Mains exam.
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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 JEE Mains MCQ Questions with Answers.
Atoms JEE Mains MCQ
The concept of quantization of angular momentum was introduced by:
a) Max Planck
b) Albert Einstein
c) Niels Bohr
d) Erwin Schrödinger
The maximum number of electrons that can occupy the 3p subshell is:
a) 2
b) 6
c) 10
d) 14
Which of the following transitions in a hydrogen atom would result in the emission of the highest energy photon?
a) n = 2 to n = 1
b) n = 3 to n = 2
c) n = 4 to n = 3
d) n = 5 to n = 4
The azimuthal quantum number (l) determines:
a) The size of the atom
b) The shape of the orbital
c) The orientation of the orbital
d) The spin of the electron
The energy required to ionize a hydrogen atom from its ground state is:
a) 10.2 eV
b) 13.6 eV
c) 21.8 eV
d) 24.6 eV
The maximum number of electrons that can be accommodated in the 4d subshell is:
a) 2
b) 6
c) 10
d) 14
The quantum number that determines the spin of an electron is:
a) Principal quantum number (n)
b) Azimuthal quantum number (l)
c) Magnetic quantum number (m)
d) Spin quantum number (s)
The electronic configuration of an atom is given as 1s² 2s² 2p⁶ 3s² 3p⁶. Which element does this represent?
a) Neon (Ne)
b) Argon (Ar)
c) Krypton (Kr)
d) Xenon (Xe)
The number of nodal planes present in an s orbital is:
a) 0
b) 1
c) 2
d) 3
The quantum number that differentiates between the two electrons in the same orbital is the:
a) Principal quantum number (n)
b) Azimuthal quantum number (l)
c) Magnetic quantum number (m)
d) Spin quantum number (s)
Which of the following elements has the highest electronegativity?
a) Sodium (Na)
b) Chlorine (Cl)
c) Aluminum (Al)
d) Silicon (Si)
The atomic radius generally:
a) Increases as you move down a group and increases as you move across a period.
b) Increases as you move down a group and decreases as you move across a period.
c) Decreases as you move down a group and increases as you move across a period.
d) Decreases as you move down a group and decreases as you move across a period.
The maximum number of electrons that can be accommodated in the 3d subshell is:
a) 2
b) 6
c) 10
d) 14
The electronic configuration of an atom is given as 1s² 2s² 2p⁶ 3s² 3p⁴. Which element does this represent?
a) Oxygen (O)
b) Sulfur (S)
c) Selenium (Se)
d) Tellurium (Te)
The atomic number of an element is determined by the number of:
a) Protons in the nucleus
b) Neutrons in the nucleus
c) Electrons in the nucleus
d) Nucleons in the nucleus
The energy required to remove an electron from an atom in its ground state is called:
a) Ionization energy
b) Electron affinity
c) Electronegativity
d) Atomic radius
Which of the following elements has the largest atomic radius?
a) Carbon (C)
b) Nitrogen (N)
c) Oxygen (O)
d) Fluorine (F)
The maximum number of electrons that can be accommodated in a p orbital is:
a) 2
b) 6
c) 10
d) 14
The electronic configuration of an atom is given as 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁶ 4p⁴. Which element does this represent?
a) Chromium (Cr)
b) Manganese (Mn)
c) Iron (Fe)
d) Cobalt (Co)
The energy of an electron in an atom is determined by its:
a) Principal quantum number (n)
b) Azimuthal quantum number (l)
c) Magnetic quantum number (m)
d) Spin quantum number (s)
The electronic configuration of an atom is given as 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁹. Which element does this represent?
a) Copper (Cu)
b) Nickel (Ni)
c) Palladium (Pd)
d) Silver (Ag)
The maximum number of electrons that can occupy the 5f subshell is:
a) 2
b) 6
c) 10
d) 14
Which of the following elements has the highest ionization energy?
a) Sodium (Na)
b) Magnesium (Mg)
c) Aluminum (Al)
d) Silicon (Si)
The electronic configuration of an atom is given as 1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹. Which element does this represent?
a) Lithium (Li)
b) Sodium (Na)
c) Potassium (K)
d) Rubidium (Rb)
The number of orbitals in the d subshell is:
a) 1
b) 3
c) 5
d) 7
The electronic configuration of an atom is given as 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s². Which element does this represent?
a) Xenon (Xe)
b) Barium (Ba)
c) Platinum (Pt)
d) Radon (Rn)
The quantum number that determines the orientation of an orbital is the:
a) Principal quantum number (n)
b) Azimuthal quantum number (l)
c) Magnetic quantum number (m)
d) Spin quantum number (s)
Which of the following elements has the highest electron affinity?
a) Sodium (Na)
b) Chlorine (Cl)
c) Aluminum (Al)
d) Silicon (Si)
The atomic number of an element is equal to the number of:
a) Electrons in the nucleus
b) Protons in the nucleus
c) Neutrons in the nucleus
d) Nucleons in the nucleus
The electronic configuration of an atom is given as 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶. Which element does this represent?
a) Neon (Ne)
b) Argon (Ar)
c) Krypton (Kr)
d) Xenon (Xe)
We hope there JEE MCQ of Class 12 Atoms will help you to score an excellent rank in JEE Mains and Advanced. If you have any queries feel free to write in the comments section. We at Study Rate are always ready to serve our students.
