Chapter 3

Question 1

Molecule based on carbon

Answer 1

Organic molecules

Question 2

Molecule without carbon atoms in its structure

Answer 2

Inorganic molecules

Question 3

Molecule consisting of carbon linked only to hydrogen atoms

Answer 3

Hydrocarbons

Question 4

The formation of organic molecules that allowed the first forms of life on earth to originate

Answer 4

Chemical evolution

Question 5

Small, reactive groups of atoms

Answer 5

Functional groups

Question 6

Group consisting of an oxygen atom linked to a hydrogen atom on one side and to a carbon chain on the other side

Answer 6

Hydroxyl group

Question 7

The reactive part of aldehydes and ketones consisting of an oxygen atom linked to a carbon atom by a double bond

Answer 7

Carbonyl group

Question 8

The characteristic functional group of organic acids, formed by the combination of carbonyl and hydroxyl groups

Answer 8

Carboxyl group

Question 9

Group that acts as an organic base, consisting of a nitrogen atom bonded on one side and two hydrogen atoms on the other side of a carbon chain

Answer 9

Amino group

Question 10

Group consisting of a central phosphorus atom held in four linkages: two that bind OOH groups to the central phosphorus atom, a third that binds an oxygen atom to the central phosphorus atom, and a fourth that links the phosphate group to an oxygen atom

Answer 10

Phosphate group