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NCERT Solutions for Class 9 Science Chapter 4 Structure of the Atom NCERT Books for Session 2020-2021 CBSE Board and UP Board Exercises Questions Page No-55 Questions No-1 Part-1

Divya Srivastava

Asked: October 28, 2020In: Class 9

What are canal rays?

NCERT Solutions for Class 9 Science Chapter 4 Structure of the Atom NCERT Books for Session 2020-2021 CBSE Board and UP Board Intext Questions Page No-47 Questions No-1

Divya Srivastava

Asked: October 28, 2020In: Class 9

If an atom contains one electron and one proton, will it carry any charge or not?

NCERT Solutions for Class 9 Science Chapter 4 Structure of the Atom NCERT Books for Session 2020-2021 CBSE Board and UP Board Intext Questions Page No-47 Questions No-2

Divya Srivastava

Asked: October 28, 2020In: Class 9

On the basis of Thomson’s model of an atom, explain how the atom is neutral as a whole.

NCERT Solutions for Class 9 Science Chapter 4 Structure of the Atom NCERT Books for Session 2020-2021 CBSE Board and UP Board Intext Questions Page No-49 Questions No-1

Divya Srivastava

Asked: October 28, 2020In: Class 9

On the basis of Rutherford’s model of an atom, which subatomic particle is present in the nucleus of an atom?

NCERT Solutions for Class 9 Science Chapter 4 Structure of the Atom NCERT Books for Session 2020-2021 CBSE Board and UP Board Intext Questions Page No-49 Questions No-2

Divya Srivastava

Asked: October 28, 2020In: Class 9

Draw a sketch of Bohr’s model of an atom with three shells.

NCERT Solutions for Class 9 Science Chapter 4 Structure of the Atom NCERT Books for Session 2020-2021 CBSE Board and UP Board Intext Questions Page No-49 Questions No-3

Divya Srivastava

Asked: October 28, 2020In: Class 9

What do you think would be the observation if the α-particle scattering experiment is carried out using a foil of a metal other than gold?

NCERT Solutions for Class 9 Science Chapter 4 Structure of the Atom NCERT Books for Session 2020-2021 CBSE Board and UP Board Intext Questions Page No-49 Questions No-14

Divya Srivastava

Asked: October 28, 2020In: Class 9

Name the three sub-atomic particles of an atom.

NCERT Solutions for Class 9 Science Chapter 4 Structure of the Atom NCERT Books for Session 2020-2021 CBSE Board and UP Board Intext Questions Page No-49 Questions No-1

Divya Srivastava

Asked: October 28, 2020In: Class 9

Helium atom has an atomic mass of 4 u and two protons in its nucleus. How many neutrons does it have?

NCERT Solutions for Class 9 Science Chapter 4 Structure of the Atom NCERT Books for Session 2020-2021 CBSE Board and UP Board Intext Questions Page No-49 Questions No-2

Divya Srivastava

Asked: October 28, 2020In: Class 9

Write the distribution of electrons in carbon and sodium atoms.

NCERT Solutions for Class 9 Science Chapter 4 Structure of the Atom NCERT Books for Session 2020-2021 CBSE Board and UP Board Intext Questions Page No-50 Questions No-1

J.J. Thomson proposed that the nucleus of an atom contains only nucleons. Is it true or false?

What are canal rays?

If an atom contains one electron and one proton, will it carry any charge or not?

On the basis of Thomson’s model of an atom, explain how the atom is neutral as a whole.

On the basis of Rutherford’s model of an atom, which subatomic particle is present in the nucleus of an atom?

Draw a sketch of Bohr’s model of an atom with three shells.

What do you think would be the observation if the α-particle scattering experiment is carried out using a foil of a metal other than gold?

Name the three sub-atomic particles of an atom.

Helium atom has an atomic mass of 4 u and two protons in its nucleus. How many neutrons does it have?

Write the distribution of electrons in carbon and sodium atoms.

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