Tiwari Academy Discussion

Asked: October 30, 2020In: Class 9

What are the limitations of Rutherford’s model of 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 Exercises Questions Page No-54 Questions No- 3

Manvik Solanki

Asked: October 30, 2020In: Class 9

Describe Bohr’s model of 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 Exercises Questions Page No-54 Questions No-4

Manvik Solanki

Asked: October 30, 2020In: Class 9

Compare all the proposed models of an atom given in this chapter.

NCERT Solutions for Class 9 Science Chapter 4 Structure of the Atom NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-54 Questions No- 5

Manvik Solanki

Asked: October 30, 2020In: Class 9

Summaries the rules for writing of distribution of electrons in various shells for the first eighteen elements.

NCERT Solutions for Class 9 Science Chapter 4 Structure of the Atom NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-54 Questions No- 6

Manvik Solanki

Asked: October 30, 2020In: Class 9

Define valency by taking examples of silicon and oxygen.

NCERT Solutions for Class 9 Science Chapter 4 Structure of the Atom NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-54 Questions No-7

Damini Lokhande

Asked: October 30, 2020In: Class 9

Explain with examples: (i) Atomic number, (ii) Mass number, (iii) Isotopes and (iv) Isobars.

NCERT Solutions for Class 9 Science Chapter 4 Structure of the Atom NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-54 Questions No- 9 Explain with examples (i) Atomic number, (ii) Mass number, (iii) Isotopes and (iv) Isobars. Give any ...

Damini Lokhande

Asked: October 30, 2020In: Class 9

Na⁺ has completely filled K and L shells. Explain.

NCERT Solutions for Class 9 Science Chapter 4 Structure of the Atom NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-54 Questions No-9

Damini Lokhande

Asked: October 30, 2020In: Class 9

If Z = 3, what would be the valency of the element? Also, name the element.

NCERT Solutions for Class 9 Science Chapter 4 Structure of the Atom NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-54 Questions No-12

Damini Lokhande

Asked: October 30, 2020In: Class 9

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

NCERT Solutions for Class 9 Science Chapter 4 Structure of the Atom NCERT Books for Session 2022-2023 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 2022-2023 CBSE Board and UP Board Intext Questions Page No-47 Questions No-1

What are the limitations of Rutherford’s model of the atom?

Describe Bohr’s model of the atom.

Compare all the proposed models of an atom given in this chapter.

Summaries the rules for writing of distribution of electrons in various shells for the first eighteen elements.

Define valency by taking examples of silicon and oxygen.

Explain with examples: (i) Atomic number, (ii) Mass number, (iii) Isotopes and (iv) Isobars.

Na⁺ has completely filled K and L shells. Explain.

If Z = 3, what would be the valency of the element? Also, name the element.

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

What are canal rays?

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