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Structure of Atoms MCQs with Answers

Welcome to the Structure of Atoms MCQs with Answers, it helps learners quickly identify areas for improvement in Structure of Atoms Online Test.

The structure of atoms forms the foundation of chemistry, detailing the arrangement of protons, neutrons, and electrons within an atom. This fundamental concept is essential for understanding chemical properties and reactions. Structure of Atoms MCQs with Answers offer a valuable tool for students to reinforce their understanding.

Atomic Structure Multiple Choice Questions cover topics such as atomic number, mass number, electron configuration, and isotopes. Practicing Structure of Atoms MCQs Online allows students to study flexibly and at their own pace, enhancing comprehension of key principles.

Preparing for exams with Structure of Atoms Exam Questions and Answers ensures a comprehensive review of atomic theories and models, from Dalton’s to the modern quantum mechanical model. MCQs on Atomic Models and Theories provide insight into the evolution of atomic understanding, including contributions from scientists like Bohr and Schrödinger.

Structure of Atoms Online Quiz

By presenting 3 options to choose from, Structure of Atoms Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Structure of Atoms Questions and Answers and click over the correct answer.

  • Test Name: Structure of Atoms MCQ Quiz Practice
  • Type: Quiz Test
  • Total Questions: 40
  • Total Marks: 40
  • Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure High Marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quiz, simply click on question and comment below that question, so that we can update the answer in the quiz section.

Structure of Atoms MCQs

Structure of Atoms

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1 / 40

Who proposed the planetary model of the atom?

2 / 40

What is the mass of a neutron?

3 / 40

What is the magnetic quantum number range for an orbital in the d subshell?

4 / 40

What is the charge of an electron?

5 / 40

What is the maximum number of electrons in the first shell?

6 / 40

What is the mass of an electron compared to a proton?

7 / 40

Which of the following is not true about electrons?

8 / 40

Who proposed the wave mechanical model of the atom?

9 / 40

What is the maximum number of electrons in the third shell?

10 / 40

What is the electron configuration of carbon?

11 / 40

What is the shape of a p orbital?

12 / 40

What is the shape of a d orbital?

13 / 40

What is the magnetic quantum number range for an orbital in the p subshell?

14 / 40

Which subatomic particle has a positive charge?

15 / 40

Which subatomic particle has a negligible mass?

16 / 40

Which quantum number determines the shape of an orbital?

17 / 40

What is the charge of a neutron?

18 / 40

What is the Bohr radius?

19 / 40

What is the principal quantum number range for an electron in the d subshell?

20 / 40

What is the shape of an s orbital?

21 / 40

Which of the following determines the mass of an atom?

22 / 40

Which scientist discovered the neutron?

23 / 40

What is the principal quantum number range for an electron in the p subshell?

24 / 40

What is the maximum number of electrons in an orbital?

25 / 40

What is the electron configuration of oxygen?

26 / 40

What is the charge of a proton?

27 / 40

Who proposed the quantum mechanical model of the atom?

28 / 40

What is the electron configuration of sodium?

29 / 40

What is the principal quantum number range for an electron in the s subshell?

30 / 40

Who proposed the plum pudding model of the atom?

31 / 40

Which subatomic particle is found in the nucleus?

32 / 40

What is the atomic number of an element?

33 / 40

Which of the following is not found in the nucleus?

34 / 40

What is the maximum number of electrons in the p subshell?

35 / 40

What is the magnetic quantum number range for an orbital in the s subshell?

36 / 40

What is the shape of an f orbital?

37 / 40

What is the mass number of an element?

38 / 40

What is the mass of a proton?

39 / 40

Which subatomic particle determines the identity of an element?

40 / 40

What is the maximum number of electrons in the second shell?

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Structure of Atoms Flashcards

Who proposed the plum pudding model of the atom?

J.J. Thomson

Which subatomic particle has a positive charge?

Proton

What is the charge of an electron?

-1

What is the charge of a neutron?

1

Which subatomic particle determines the identity of an element?

Proton

What is the mass of an electron compared to a proton?

Much smaller

Who proposed the planetary model of the atom?

Niels Bohr

What is the charge of a proton?

1

What is the mass of a neutron?

1 atomic mass unit (amu)

What is the mass of a proton?

1 atomic mass unit (amu)

Which subatomic particle is found in the nucleus?

Proton

Which of the following is not found in the nucleus?

Electron

What is the atomic number of an element?

Number of protons

What is the mass number of an element?

Sum of protons and neutrons

Which subatomic particle has a negligible mass?

Electron

Which scientist discovered the neutron?

James Chadwick

Which of the following determines the mass of an atom?

Protons and neutrons

What is the Bohr radius?

Distance from the nucleus to the electron in the first shell

Which of the following is not true about electrons?

They are negatively charged

What is the shape of an s orbital?

Spherical

Who proposed the wave mechanical model of the atom?

Erwin Schrödinger

Which quantum number determines the shape of an orbital?

Azimuthal (l)

What is the maximum number of electrons in an orbital?

2

What is the maximum number of electrons in the first shell?

2

What is the maximum number of electrons in the second shell?

8

What is the maximum number of electrons in the third shell?

18

What is the shape of a p orbital?

Dumbbell-shaped

What is the shape of a d orbital?

Dumbbell-shaped

What is the shape of an f orbital?

Cloverleaf-shaped

What is the magnetic quantum number range for an orbital in the d subshell?

-2 to +2

What is the magnetic quantum number range for an orbital in the p subshell?

-1 to +1

What is the magnetic quantum number range for an orbital in the s subshell?

-1 to +1

What is the principal quantum number range for an electron in the d subshell?

3 to ∞

What is the principal quantum number range for an electron in the p subshell?

2 to ∞

What is the principal quantum number range for an electron in the s subshell?

1 to ∞

What is the electron configuration of carbon?

1s² 2s² 2p²

What is the electron configuration of oxygen?

1s² 2s² 2p⁴

What is the electron configuration of sodium?

1s² 2s² 2p⁶ 3s¹

Who proposed the quantum mechanical model of the atom?

Werner Heisenberg

What is the maximum number of electrons in the p subshell?

6

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