Tiwari Academy Discussion

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 2022-2023 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 2022-2023 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 2022-2023 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 2022-2023 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 2022-2023 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 2022-2023 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 2022-2023 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 2022-2023 CBSE Board and UP Board Intext Questions Page No-50 Questions No-1

Divya Srivastava

Asked: October 28, 2020In: Class 9

If K and L shells of an atom are full, then what would be the total number of electrons in the atom?

NCERT Solutions for Class 9 Science Chapter 4 Structure of the Atom NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-50 Questions No-2

Divya Srivastava

Asked: October 28, 2020In: Class 9

How will you find the valency of chlorine, Sulphur and magnesium?

NCERT Solutions for Class 9 Science Chapter 4 Structure of the Atom NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-52 Questions No-1

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.

If K and L shells of an atom are full, then what would be the total number of electrons in the atom?

How will you find the valency of chlorine, Sulphur and magnesium?

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