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the difference is that the formula does not have the same categories as the chemical compound does
You think probable to isomers.
Isomers
Structural isomers are substances having the same formulas but different structures.
This can be justified by looking at the exact chemical nature of each. Ice water, liquid water and steam (vapors) are ALLstill chemically the same, and exist as H2O, only in different states.
the difference is that the formula does not have the same categories as the chemical compound does
isotopes
Isomers are chemical compounds which have the same chemical formula while having different chemical structures. AlH3 does not have compounds with different chemical structure. Therefor AlH3 is not an isomer.Isomers are chemical compounds which have the same chemical formula while having different chemical structures. AlH3 does not have compounds with different chemical structure. Therefor AlH3 is not an isomer.
Not necessarily. Alloys are "substances", but they don't generally have a chemical formula, they're mixtures which are not necessarily in stoichiometric proportions. The same is true for any mixture in general.
Isomers have equal chemical formula while having different chemical structures. CH3NH2 does not have different chemical structures with the same chemical formula. Therefor CH3NH2 is not an isomer.
The chemical formula for water is H2O. The chemical formula stays the same even if water is in a different state (solid, liquid or gas).
You think probable to isomers.
Isomers
Water and ice are the same chemical substance in different physical phases, liquid and solid respectively.
Structural isomers are substances having the same formulas but different structures.
Two molecules with identical molecular formulas but that have different structures are called isomers. Fuels such as gasoline are nonpolar and high in energy because they are largely composed of hydrocarbons.
This can be justified by looking at the exact chemical nature of each. Ice water, liquid water and steam (vapors) are ALLstill chemically the same, and exist as H2O, only in different states.