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Asked: October 28, 2020In: Class 9

An isotope of iodine is used for making tincture iodine, which is used as a medicine. it is neutral. 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- 14 Part-4

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Damini Lokhande

Asked: October 28, 2020In: Class 9

Rutherford’s alpha-particle scattering experiment was responsible for the discovery of:

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- 15

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Damini Lokhande

Asked: October 27, 2020In: Class 9

Which one of the following is a correct electronic configuration of sodium?

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- 18

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