Chemistry flashcards

Question 0

Compound

Answer 0

A substance made of two or more elements chemically combined in a specific ratio, or proportion.

Question 1

Element

Answer 1

A pure substance that cannot be broken down into other substances by chemical or physical means.

Question 2

Organic compound

Answer 2

Most compounds that contain carbon

Question 3

Inorganic Compounds

Answer 3

Most compounds that don’t contain carbon

Question 4

Carbohydrates

Answer 4

An energy-rich organic compound, such as a sugar or a starch, that is made of the elements carbon, hydrogen, and oxygen.

Question 5

Lipids

Answer 5

Compounds that are made mostly of carbon, hydrogen, and some oxygen

Question 6

Proteins

Answer 6

Large organic molecules made carbon, hydrogen,oxygen, nitrogen, and, in some cases, sulfur.

Question 7

Enzymes

Answer 7

Speeds up chemical reactions in living things

Question 8

Nucleic Acid

Answer 8

A very large organic molecule made of carbon, oxygen, hydrogen, nitrogen, and phosphorus, that contains the instructions cells need to carry out all the functions of life.

Question 9

DNA

Answer 9

Deoxyribonucleic acid; the genetic material that carries information about an organism and is passed from parent to offspring.

Question 10

Compound

Answer 10

A substance made of two or more elements chemically combined in a specific ratio, or proportion.