Chapter 2

Question 0

What is a solvent?

Answer 0

Substance doing the dissolving

Question 1

_______ are molecules that consist of 2 or more different elements chemically combined.

Answer 1

Compounds

Question 2

Forms when two ions of opposite charges attract each other

Answer 2

Ionic bond

Question 3

What is an ion?

Answer 3

Atom with a positive or negative charge; formed when atoms gain order electrons.

Question 4

Covalent bonds?

Answer 4

Electrons are shared between atoms

Question 5

Two identical atoms share electrons equally

Answer 5

Nonpolar covalent bonds

Question 6

Water loving

Answer 6

Hydrophilic

Question 7

Water hating

Answer 7

Hydrophobic

Question 8

pH level less than 7

Answer 8

Base

Question 9

pH level greater than 7

Answer 9

Acid

Question 10

What are carbohydrates composed of?

Answer 10

Carbon, hydrogen, and oxygen

Question 11

Carbohydrates function?

Answer 11

To store and release energy

Question 12

Fats and oils

Answer 12

Lipids

Question 13

Lipids function?

Answer 13

Long term energy storage, insulation, and protective coatings

Question 14

Function of proteins?

Answer 14

Muscle contraction, transporting oxygen to the bloodstream, providing immunity, and carry out cell metabolism

Question 15

3 parts of a nucleotide

Answer 15

Simple sugar, phosphate group, hydrogen base