CAST EXAM QUESTIONS AND ANSWERS WITH COMPLETE
SOLUTIONS VERIFIED | 2026/2027 LATEST UPDATE GRADED A+
Diamond - ANSWER A crystalline form in which each carbon atom is bonded to four other carbon
atoms
Graphite - ANSWER Each carbon atom is bonded to three other carbon atoms in flat layers
Fullerene - ANSWER Carbon atoms arranged in a sphere
Nanotube - ANSWER Carbon atoms arranged in the shaped of a long, hollow cylinder
Organic Compound - ANSWER Compounds that contain carbon
Hydrocarbon - ANSWER Compound containing only carbon and hydrogen
Structural Formula - ANSWER Shows the kind, number, and arrangement, of atoms in a molecule
Isomer - ANSWER Compounds that have the same chemical formula but different structural formulas
Unsaturated Hydrocarbon - ANSWER Has double or triple bonds - have fewer hydrogen atoms
Saturated Hydrocarbon - ANSWER Has only single bonds with a maximum number of hydrogen
atoms
Substituted Hydrocarbon - ANSWER Atoms of other elements replace one or more hydrogen atoms
Hydroxyl Group - ANSWER Each -OH, made of an oxygen atom and a hydrogen atom
Alcohol - ANSWER A hydroxyl group (OH) replaces one or more hydrogen atoms
Organic Acid - ANSWER A carboxyl group (COOH) replaces one or more hydrogen atoms
, Carboxyl Group - ANSWER Written as -COOH
Ester - ANSWER Chemical made when an alcohol and an organic acid combine
Polymer - ANSWER A very large molecule made of many smaller molecules bonded together
Monomer - ANSWER Smaller molecules
Protein - ANSWER Large organic molecule made from amino acids
Amino Acid - ANSWER A monomer that is a building block of proteins
Plastic - ANSWER Synthetic polymers that can be molded or shaped
Composite - ANSWER Combines two or more substances in a new material with different properties
Carbohydrate - ANSWER Energy rich organic compounds made from carbon, hydrogen, and oxygen
Glucose - ANSWER One of the most important sugars in your body
Complex Carbohydrate - ANSWER Polymer made of smaller molecules that are simple carbohydrates
bonded to one another
Starch - ANSWER Plants store energy in the form of the complex carbohydrate
Cellulose - ANSWER Strong stems and roots from plants built with the complex carbohydrate
Lipid - ANSWER Energy rich organic compounds made from carbon, oxygen, and hydrogen
Fatty Acid - ANSWER Fat which chemical structure has caused it to become a liquid
SOLUTIONS VERIFIED | 2026/2027 LATEST UPDATE GRADED A+
Diamond - ANSWER A crystalline form in which each carbon atom is bonded to four other carbon
atoms
Graphite - ANSWER Each carbon atom is bonded to three other carbon atoms in flat layers
Fullerene - ANSWER Carbon atoms arranged in a sphere
Nanotube - ANSWER Carbon atoms arranged in the shaped of a long, hollow cylinder
Organic Compound - ANSWER Compounds that contain carbon
Hydrocarbon - ANSWER Compound containing only carbon and hydrogen
Structural Formula - ANSWER Shows the kind, number, and arrangement, of atoms in a molecule
Isomer - ANSWER Compounds that have the same chemical formula but different structural formulas
Unsaturated Hydrocarbon - ANSWER Has double or triple bonds - have fewer hydrogen atoms
Saturated Hydrocarbon - ANSWER Has only single bonds with a maximum number of hydrogen
atoms
Substituted Hydrocarbon - ANSWER Atoms of other elements replace one or more hydrogen atoms
Hydroxyl Group - ANSWER Each -OH, made of an oxygen atom and a hydrogen atom
Alcohol - ANSWER A hydroxyl group (OH) replaces one or more hydrogen atoms
Organic Acid - ANSWER A carboxyl group (COOH) replaces one or more hydrogen atoms
, Carboxyl Group - ANSWER Written as -COOH
Ester - ANSWER Chemical made when an alcohol and an organic acid combine
Polymer - ANSWER A very large molecule made of many smaller molecules bonded together
Monomer - ANSWER Smaller molecules
Protein - ANSWER Large organic molecule made from amino acids
Amino Acid - ANSWER A monomer that is a building block of proteins
Plastic - ANSWER Synthetic polymers that can be molded or shaped
Composite - ANSWER Combines two or more substances in a new material with different properties
Carbohydrate - ANSWER Energy rich organic compounds made from carbon, hydrogen, and oxygen
Glucose - ANSWER One of the most important sugars in your body
Complex Carbohydrate - ANSWER Polymer made of smaller molecules that are simple carbohydrates
bonded to one another
Starch - ANSWER Plants store energy in the form of the complex carbohydrate
Cellulose - ANSWER Strong stems and roots from plants built with the complex carbohydrate
Lipid - ANSWER Energy rich organic compounds made from carbon, oxygen, and hydrogen
Fatty Acid - ANSWER Fat which chemical structure has caused it to become a liquid
