Chapter 6: Structure of an Atom Class 7 MCQS

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Unravel the mysteries of the atom as you navigate through key concepts and principles .Chapter 6: Structure of an Atom Our well constructed multiple-choice questions (MCQs) in Chapter 6: Structure of an Atom cover a wide range of subjects, from the evolution of atomic models historically to the complexities of subatomic particles. Chapter 6: Structure of an Atom Class 7 MCQS Our website is your go-to resource whether you’re a student trying to solidify your grasp or an enthusiast keen to explore the fundamentals of the subject. Entire Chapter 6 is Covered: Our multiple-choice questions cover every aspect of Chapter 6: Structure of an Atom Class 7 MCQS, guaranteeing a deep dive into the atomic structure.

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Chapter 6: Structure of an Atom Class 7 MCQS

Structure of an Atom ( PART 1 )

1. Which subatomic particle has a positive charge?

 Positron

 Neutron

 Proton

 Electron

2. Who discovered the electron?

 James Chadwick

 Ernest Rutherford

 Niels Bohr

 J.J. Thomson

3. The nucleus of an atom is composed mainly of:

 Electrons

 Neutrons and electrons

 Protons and electrons

 Protons and neutrons

4. The number of protons in an atom is also called its:

 Atomic number

 Mass number

 Electron number

 Neutron number

5. Which of the following subatomic particles has no charge?

 Positron

 Electron

  Proton

 Neutron

6. The mass of a proton is approximately equal to the mass of:

 A neutron

 1840 times that of an electron

 1/1840th of a neutron

 An electron

7. Who proposed the planetary model of the atom?

 Ernest Rutherford

 James Chadwick

 Niels Bohr

 J.J. Thomson

8. The number of neutrons in an atom can be determined by:

 Subtracting the number of electrons from the mass number

 Adding the number of protons and electrons

 Counting the number of electron shells

 Dividing the mass number by the atomic number

9. Which subatomic particle is responsible for the chemical properties of an atom?

 Electron

 Neutron

 Positron

 Proton

10. The nucleus of an atom is:

 Negatively charged

 Electrically neutral

 Positively charged

 Charged with both positive and negative charges

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