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Unraveling the Secrets of Atoms

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Questions and Answers

Which of the following is true about atoms?

Atoms are not the building blocks of matter

Atoms can be created or destroyed

Atoms are made up of protons, neutrons, and electrons (correct)

Atoms are smaller than subatomic particles

What is the meaning of the word 'atom'?

Empty space

Building block

Indivisible particle (correct)

Fundamental particle

What percentage of an atom is made up of subatomic particles?

1% (correct)

50%

25%

99%

What is the atomic mass?

The total mass of an atom (D) Signup and view all the answers

Which subatomic particle is the smallest?

Electron (C) Signup and view all the answers

What is the main topic of the document?

Opt Science_Class10 Signup and view all the answers

Where can the document be found?

<a href="https://dhangadhimaimun.gov.np/sites/dhangadhimaimun.gov.np/files/documents/Opt%20Science_Class10.pdf">https://dhangadhimaimun.gov.np/sites/dhangadhimaimun.gov.np/files/documents/Opt%20Science_Class10.pdf</a> Signup and view all the answers

What grade level is the document intended for?

Class 10 Signup and view all the answers