Environmental Tech Block 2 Exam

This term describes compounds that contain carbon atoms bonded to other carbon atoms.

• Polymer

• Saturated

• Inorganic

• Organic

How many valence electrons does a carbon atom have?

• 2

• 4

• 6

• 3

Carbon bonds with other carbon atoms to form which of the following structures?

• Straight chains

• Branched chains

• Rings

• All are correct

Clusters of atoms that are attached to carbon “skeletons” are called?

• Functional groups

• Macromolecules

• Polymers

• Enzymes

What is the name of this functional group? (–PO₄)

• Phosphate

• Carboxyl

• Amino

• Hydroxyl

What is the name of this functional group? (–OH)

• Carboxyl

• Hydroxyl

• Phosphate

• Amino

What is the name of this functional group? (–NH₂ or –NH₃)

• Amino

• Phosphate

• Carbonyl

• Carboxyl

What is the name of this functional group? (–COOH)

• Amino

• Hydroxyl

• Carbonyl

• Carboxyl

A _____ is a very large organic molecule composed of hundreds or thousands of atoms.

• Functional group

• Monomer

• Macromolecule

• Micromolecule

The process by which large molecules are built by the joining of many smaller molecules.

• Combustion

• Polymerization

• Hydrolysis

• Biosynthesis