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Subjects
Science State Board
Class 7
Matter Around Us
Atoms, molecules, elements and compounds
4.
Answer the questions about atoms and molecules
Exercise condition:
2
m.
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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