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प्रश्न
Define – Atom.
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उत्तर
An atom is the smallest particle of a chemical element that retains its chemical properties.
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संबंधित प्रश्न
If bromine atom is available in the form of, say, two isotopes `""_35^79Br (49.7%)" and """_35^81Br (50.3%)`, calculate the average atomic mass of bromine atom.
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| \[\ce{_11^23Na}\] | Neutron number |
| \[\ce{_6^14C}\] | Mass number |
| \[\ce{_17^37 Cl}\] | Proton number |
Compare:
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The smallest particle of a substance – capable of independent existence and which retains the characteristics of the substance.
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Element
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