Question

cbse class 9 subject science ch3 atoms and molecules topic 3.2 what is atomes and molecules notes​

Answer 1

Explanation:

Questions from all the topics are covered in the solutions. ... ncert sol for cbse class 9 sci chapter 3 atoms and molecules 01 ... Mass of 0.2 moles of oxygen atoms = 0.2 x 16 = 3.2u.

Answer 2

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Your Question:

What is Atoms and Molecules?

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Your Answer:

What is an Atom?

>An atom is the smallest constituent unit of ordinary matter that constitutes a chemical element.

What is a Molecule?

>A molecule is an electrically neutral group of two or more atoms held together by chemical bonds.

What is Atom in Molecules?

>The quantum theory of atoms in molecules is a model of molecular and condensed matter electronic systems in which the principal objects of molecular structure - atoms and bonds - are natural expressions of a system's observable electron density distribution function.

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