These are different chemical compounds.

The alkane on the top has the molecular formula C5H12 while the alkane on the bottom has the molecular formula C6H14, making them different chemical compounds.

These are different chemical compounds

The alkene on the top has the molecular formula C5H10 while the alkene on the bottom has the molecular formula C7H14, making them different chemical compounds.

The alkane on the top has the molecular formula C5H12 while the alkane on the bottom has the molecular formula C6H14.
The alkene on the top has the molecular formula C5H10 while the alkene on the bottom has the molecular formula C7H14.

Recognizing Isomerism

For each of the pairs of compounds on the left, determine if the compounds are identical, isomeric, or different chemical compounds.

Click the mouse on the molecules to view the answer;

click on the question mark to view a "hint".