CBSE Class 9 Answered
please tabulate the differences between atoms and molecules
Asked by Tejas Kulkarni | 01 Dec, 2013, 02:54: PM
Expert Answer
|
Atom |
Molecule |
| Atom consists of nucleus (containing protons and neutrons) and electrons. |
Molecule consists of combination of two or more same or different atoms chemically bound together. e.g. H2, HCl, NaCl etc. |
| Atom can neither be seen through naked eye nor through magnifying microscope. | Molecule is not visible to naked eye, while can be seen through highly magnifying microscope. |
| Atom cannot be further divided. |
Molecule can further be divided to give individual atoms. |
| Atoms may or may not have independent existence. | Molecules are capable of having independent existence. For example, atom of oxygen (O) has no independent existence while its molecule exists as O2 in nature. |
| Atom has nuclear bond or attraction within it i.e. it involves electrostatic attraction between the positive nucleus and electrons. | Molecule has chemical attraction or bonding between the atoms i.e. it involves single, double or triple bonds between the atoms. |
Answered by Hanisha Vyas | 02 Dec, 2013, 10:44: AM
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