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Somiya jain

Asked: April 23, 2024In: Class 9 Science

What are atoms and molecules?

Atoms are the smallest units of matter, composed of protons, neutrons, and electrons. Molecules are groups of atoms bonded together.

Bhavani das

Asked: October 30, 2020In: Class 9

Which postulate of Dalton’s atomic theory is the result of the law of conservation of mass?

NCERT Solutions for Class 9 Science Chapter 3 Atoms And Molecules NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-33 Questions No-3

Viraj Badal

Asked: October 30, 2020In: Class 9

What are polyatomic ions? Give examples.

NCERT Solutions for Class 9 Science Chapter 3 Atoms And Molecules NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-44 Questions No- 3

Bhavani das

Asked: October 30, 2020In: Class 9

Which postulate of Dalton’s atomic theory can explain the law of definite proportions?

NCERT Solutions for Class 9 Science Chapter 3 Atoms And Molecules NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-33 Questions No-4

Bhavani das

Asked: October 30, 2020In: Class 9

Define the atomic mass unit.

NCERT Solutions for Class 9 Science Chapter 3 Atoms And Molecules NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-35 Questions No-1

What are atoms and molecules?

Which postulate of Dalton’s atomic theory is the result of the law of conservation of mass?

What are polyatomic ions? Give examples.

Which postulate of Dalton’s atomic theory can explain the law of definite proportions?

Define the atomic mass unit.

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