Chapter 2

Question 1

Number of protons in an ion

Answer 1

Atomic number

Question 2

Number of protons and neutrons

Answer 2

Atomic mass

Question 3

Atoms/ group of atoms which have gained or lost electrons

Answer 3

Ions

Question 4

Positively charged ion

Answer 4

Cation

Question 5

Negatively charged ion

Answer 5

Anion

Question 6

Why do electrons get lost or added?

Answer 6

To fill up energy levels/ shells

Question 7

The bond within a water molecule is

Answer 7

polar covalent

Question 8

The bond between water molecules is

Answer 8

hydrogen bond

Question 9

What are the 6 functions of water?

Answer 9

Transport, lubrication, universal solvent, cushion, temperature regulation, surface tension

Question 10

Substances move throughout the body in water based fluids

Answer 10

Transport

Question 11

What are some examples of water transport?

Answer 11

Lymph, blood, urine

Question 12

Reduces friction between body surfaces

Answer 12

Lubrication

Question 13

What are some examples of water lubrications?

Answer 13

Serous fluids in body cavities, synovial fluid in joints

Question 14

Absorbs forces during sudden movements

Answer 14

Cushions

Question 15

What is an example of water cushioning?

Answer 15

Cerebrospinal fluid

Question 16

Attraction between water molecules

Answer 16

Cohesion

Question 17

Attraction between water and another substance

Answer 17

Adhesion

Question 18

Substances that will dissolve in water

Answer 18

Hydrophilic

Question 19

Substances that do not dissolve in water

Answer 19

Hydrophilic

Question 20

Substances that partially dissolve in water

Answer 20

Amphipathic

Question 21

Solutes which release a hydrogen ion

Answer 21

Acid

Question 22

Solutes which bind with hydrogen ions

Answer 22

Bases

Question 23

Compounds that help prevent pH change

Answer 23

Buffer

Question 24

What are the 3 types of water mixtures?

Answer 24

Suspension, colloid, solution

Question 25

Large molecules/ cells in water; separates when stationary

Answer 25

Suspension

Question 26

Medium size molecule dispersed in water; won't separate when stationary

Answer 26

Colloid

Question 27

Small molecules (solutes) dissolved in water

Answer 27

Solution

Question 28

Mass of solute per volume of a solution

Answer 28

Mass/volume

Question 29

Number of moles of solute per liter of a solution

Answer 29

Molarity

Question 30

Number of particles (osmoles) per liter of solution

Answer 30

Osmolarity

Question 31

What are the 4 types of organic compounds?

Answer 31

Carbohydrates, lipids, proteins, nucleic acids

Question 32

Energy source for cell

Answer 32

Carbohydrates

Question 33

Cushioning organs, form barriers, regulates temperature energy storage, insulation

Answer 33

Lipids

Question 34

Catalyze reactions, storage, transport, support, movement

Answer 34

Proteins

Question 35

Genetic information, protein synthesis

Answer 35

Nucleic Acids

Question 36

What are some examples of carbohydrates?

Answer 36

Starch, glucose, fructose, lactose....

Question 37

What are some examples of lipids?

Answer 37

triglycerides, phospholipids

Question 38

What are some examples of proteins?

Answer 38

amino acids, actin, hemoglobin, myoglobin