All In One SCIENCE CBSE Class IX>Chapter 3 - Atoms and Molecules>Check Point 02>Q 5

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IMPORTANT

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What is the difference between $2 Cl$ and ${C l}_{2}$ ? Which one of these two forms exists in nature? Also, give the atomic mass of this element.

Important Questions on Atoms and Molecules

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IMPORTANT

All In One SCIENCE CBSE Class IX>Chapter 3 - Atoms and Molecules>Check Point 02>Q 6

Write the atomicity of the following:

I_{2}

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IMPORTANT

All In One SCIENCE CBSE Class IX>Chapter 3 - Atoms and Molecules>Check Point 02>Q 6

Write the atomicity of the following:

H_{2} S

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IMPORTANT

All In One SCIENCE CBSE Class IX>Chapter 3 - Atoms and Molecules>Check Point 02>Q 6

Write the atomicity of the following:

{H N O}_{3}

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All In One SCIENCE CBSE Class IX>Chapter 3 - Atoms and Molecules>Check Point 02>Q 6

Write the atomicity of the following:

{N a}_{2} S O_{4}

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All In One SCIENCE CBSE Class IX>Chapter 3 - Atoms and Molecules>Check Point 02>Q 6

Write the atomicity of the following:

S_{8}

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IMPORTANT

All In One SCIENCE CBSE Class IX>Chapter 3 - Atoms and Molecules>Check Point 02>Q 7

An oxide of nitrogen is found to contain nitrogen and oxygen combined together in the ratio of

7 : 16

by mass. Derive the formula of the oxide and name it.

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All In One SCIENCE CBSE Class IX>Chapter 3 - Atoms and Molecules>Check Point 03>Q 1

How an ion is different from an atom? How cation is different from anion?

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IMPORTANT

All In One SCIENCE CBSE Class IX>Chapter 3 - Atoms and Molecules>Check Point 03>Q 2

Predict the total number of atoms in Calcium phosphate.