isomerism

Question 1

chain

Answer 1

different arrangements of carbon skeleton
(straight or branched)

Question 2

positional

Answer 2

same skeleton + same atoms / groups attached
main group is attached to a different carbon atom

Question 3

functional group

Answer 3

same atoms arranged into different functional groups

Question 4

structural

Answer 4

different structural arrangements

Question 5

stereoisomers

Answer 5

same structural formula, but different arrangement in space

Question 6

geometric

Answer 6

also known as E/Z isomerism