Select the correct answer. Why is it necessary to use models to study ſubmicroscopic objects such as atoms and molecules?
OA .
These objects do not exist in the real world.
OB. These objects are too far away to observe,
OC. These objects are too small to see.
These objects can only be described mathematically.
OD
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What is the difference between covalent bonds and ionic bonds? covalent bonds involve the sharing of electrons between atoms; ionic bonds involve the electrical attraction between charged atoms. covalent bonds involve the transfer of electrons between charged atoms; ionic bonds involve the sharing of electrons between atoms. covalent bonds involve the sharing of pairs of electrons between atoms; ionic bonds involve the sharing of single electrons between atoms. covalent bonds involve the sharing of electrons between atoms; ionic bonds involve the sharing of protons between charged atoms.