i need answers for 7 and 8 please.
thank you
In the given question, the species which is a molecule but not a compound has to be selected.
The molecule from the given options can be selected efficiently by knowing the main difference between the molecules and compounds.
7. The general term "molecule" is used to represent any atoms that are combined together by means of chemical bonds. In other words, every combination of atoms is termed as a molecule.
A compound is a molecule that comprises atoms of different elements.
Therefore, all the compounds are molecules, but all molecules are not compounds.
H2O2, H2O, HCl contain atoms that are combined together to form molecules, and as they contain different atoms they are compounds as well.
On the other side, Cl2 contains one type of atoms combined together to form molecules but it is not a compound.
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