Answer the questions about atoms and molecules — task. Science State Board, Class 7.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Choose the correct answer:

1. Why is it not possible to see an atom with naked eyes?

Atoms has huge amount of empty space which we can't observe
Atoms are hidden by external layers which don't allow us to see it
Atoms never exist in isolation. They're bonded always
Atomic size is too small which is not in the visible region of human eye

2. __________ particles are the particles that make up an atom.

Subatomic
Monoatomic
None of these
Diatomic

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