Select the two models that represent molecules of substances with the same chemical formula but different arrangements of atoms.

H

C

propene, cyclopropane, 1-butene, and propane

Complete the chemical formula for the two substances.
If an atomic symbol has no subscript, leave the box next to the symbol blank.
C
H

1 answer

The two models that represent molecules of substances with the same chemical formula but different arrangements of atoms are propene and cyclopropane. They are both C3H6.

Here is the complete chemical formula for the two substances:

For propene:

  • C: 3
  • H: 6

For cyclopropane:

  • C: 3
  • H: 6

So the chemical formula for both substances is C3H6.