NEET Chemistry: Structure of Atom — Free Practice Set 6 (10 MCQs)

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Chemistry preparation, focusing specifically on the chapter Structure of Atom. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

0

Easy

10

Medium

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Hard

Key concepts covered in this specific test include Uncertainty, Momentum, Electron, Position, Electronic, and Configuration.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. The uncertainty in momentum of an electron is \( 1.0 \times 10^{-24} \, \text{kg m s}^{-1} \). What is the minimum uncertainty in its position? (\( h = 6.626 \times 10^{-34} \, \text{J s} \))

A. \( 2.63 \times 10^{-11} \, \text{m} \)
B. \( 1.32 \times 10^{-10} \, \text{m} \)
C. \( 5.27 \times 10^{-11} \, \text{m} \)
D. \( 6.62 \times 10^{-10} \, \text{m} \)

Q2. An atom has an electronic configuration of \( 1s^2 2s^2 2p^6 3s^2 3p^6 3d^{10} 4s^1 \). What is its atomic number?

A. 28
B. 30
C. 29
D. 27

Q3. A photon of wavelength 300 nm strikes a metal surface, and the ejected electron has a kinetic energy of \( 2.0 \times 10^{-19} \, \text{J} \). What is the work function of the metal? (\( h = 6.626 \times 10^{-34} \, \text{J s}, c = 3.0 \times 10^8 \, \text{m s}^{-1} \))

A. \(2.0 \times 10^{-19} \, \text{J}\)
B. \(6.626 \times 10^{-19} \, \text{J}\)
C. \(3.313 \times 10^{-19} \, \text{J}\)
D. \(4.626 \times 10^{-19} \, \text{J}\)

Q4. An atom has the electronic configuration \( 1s^2 2s^2 2p^6 3s^2 3p^5 \). What is its atomic number?

A. 15
B. 17
C. 16
D. 18

Q5. The wavenumber of the second line in the Paschen series of a hydrogen atom is: (\( R_H = 1.097 \times 10^7 \, \text{m}^{-1} \))

A. \( 7.805 \times 10^5 \, \text{m}^{-1} \)
B. \( 5.33 \times 10^5 \, \text{m}^{-1} \)
C. \( 3.81 \times 10^5 \, \text{m}^{-1} \)
D. \( 9.12 \times 10^5 \, \text{m}^{-1} \)

+ 5 more questions in the actual test

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Absolutely. Our content team regularly updates the question bank to strictly align with the latest NTA NEET syllabus and NCERT textbooks.

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Yes, once you submit the test, you will get an instant scorecard along with the correct answers and detailed explanations for every question.

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NEET Chemistry — Structure of Atom

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Preview of Questions in this Test

Q1. The uncertainty in momentum of an electron is \( 1.0 \times 10^{-24} \, \text{kg m s}^{-1} \). What is the minimum uncertainty in its position? (\( h = 6.626 \times 10^{-34} \, \text{J s} \))

Q2. An atom has an electronic configuration of \( 1s^2 2s^2 2p^6 3s^2 3p^6 3d^{10} 4s^1 \). What is its atomic number?

Q3. A photon of wavelength 300 nm strikes a metal surface, and the ejected electron has a kinetic energy of \( 2.0 \times 10^{-19} \, \text{J} \). What is the work function of the metal? (\( h = 6.626 \times 10^{-34} \, \text{J s}, c = 3.0 \times 10^8 \, \text{m s}^{-1} \))

Q4. An atom has the electronic configuration \( 1s^2 2s^2 2p^6 3s^2 3p^5 \). What is its atomic number?

Q5. The wavenumber of the second line in the Paschen series of a hydrogen atom is: (\( R_H = 1.097 \times 10^7 \, \text{m}^{-1} \))

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NEET Chemistry: Structure of Atom — MCQ Test 6

Q6. The number of spectral lines produced when an electron falls from \( n = 8 \) to \( n = 5 \) in a hydrogen atom is:

Q7. In a hydrogen atom, the energy of an electron in the first orbit is \(-2.18 \times 10^{-18} \, \text{J}\). What is the energy of the electron in the third orbit?

Q8. The kinetic energy of a photoelectron is \( 3.0 \times 10^{-19} \, \text{J} \) when irradiated with light of frequency \( 8.0 \times 10^{14} \, \text{Hz} \). What is the threshold frequency of the metal? (\( h = 6.626 \times 10^{-34} \, \text{J s} \))

Q9. What is the maximum number of orbitals in the \( n = 2 \) energy level?

Q10. How many possible sets of quantum numbers (\( n, l, m_l, m_s \)) are there for electrons in the \( n = 3 \) energy level?

NEET Chemistry — Structure of Atom

Accelerate Your NEET Preparation

Question Bank

Practice Tests

NEET PYQs

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About this NEET MCQ Test

Preview of Questions in this Test

Q1. The uncertainty in momentum of an electron is \( 1.0 \times 10^{-24} \, \text{kg m s}^{-1} \). What is the minimum uncertainty in its position? (\( h = 6.626 \times 10^{-34} \, \text{J s} \))

Q2. An atom has an electronic configuration of \( 1s^2 2s^2 2p^6 3s^2 3p^6 3d^{10} 4s^1 \). What is its atomic number?

Q3. A photon of wavelength 300 nm strikes a metal surface, and the ejected electron has a kinetic energy of \( 2.0 \times 10^{-19} \, \text{J} \). What is the work function of the metal? (\( h = 6.626 \times 10^{-34} \, \text{J s}, c = 3.0 \times 10^8 \, \text{m s}^{-1} \))

Q4. An atom has the electronic configuration \( 1s^2 2s^2 2p^6 3s^2 3p^5 \). What is its atomic number?

Q5. The wavenumber of the second line in the Paschen series of a hydrogen atom is: (\( R_H = 1.097 \times 10^7 \, \text{m}^{-1} \))

Frequently Asked Questions

Is this practice set completely free?

Are these questions relevant for the latest NEET syllabus?

Can I view the solutions after the test?

About TopperSquare

More Chemistry Chapters for NEET

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Everything you need to crack NEET