Unit 1 CH2

Question 1

Ionic Bonds

Answer 1

Bonds where electrons are transferred from one atom to another.

Question 2

Covalent Bonds

Answer 2

Bonds where electrons are shared between atoms.

Question 3

Ions

Answer 3

An atom or groups of atoms with a positive or negative charge.
* Cation- Positive
* Anion- Negative

Question 4

Electrolytes

Answer 4

Compounds that release ions when dissolved in water.

Question 5

Molecule

Answer 5

Two or more covalently bonded atoms.

Question 6

Mixture

Answer 6

Blends of two or more substances.

Question 7

Solution

Answer 7

Mixture formed when one substance dissolves in another. (Homogenous)

Question 8

Suspension

Answer 8

Mixture in which one substance is dispersed in another but will settle out unless constantly mixed. (Heterogenous)

Question 9

Colloid

Answer 9

Mixture in which substances never mix. (Heterogenous)

Question 10

Solution Ex.

Answer 10

Table salt dissolved in water; table sugar dissolved in water

Question 11

Suspension Ex.

Answer 11

Red blood cells in blood plasma; The creatine in my intra-workout.

Question 12

Colloid Ex.

Answer 12

Blood plasma; Cytosol

Question 13

pH Scale

Answer 13

0-14. 0 being the most acidic (most Hydrogen Ions), 14 being the most alkaline (least Hydrogen Ions).

Question 14

Base pH range for blood

Answer 14

7.35-7.45. 0-7.34 acidic. 7.46-14 alkaline.

Question 15

Organic Compounds

Answer 15

Carbohydrates, Proteins, Lipids. All built on the element carbon.

Question 16

Carbohydrates

Answer 16

Made up of simple sugars (monosaccharides). Carbohydrates in the form of sugars and starches are important dietary sources of energy.

Question 17

Lipids

Answer 17

Mainly found in the body as fat. Fats insulate the body and protect internal organs. Fats are the main form in which energy is stored, most cells use fatty acids for energy.

Question 18

Proteins

Answer 18

Proteins are composed of amino acids. Contain carbon, hydrogen, oxygen, nitrogen (sometimes sulfur and phosphorus). Are the bodys structural materials. Found in muscle, bones, connective tissue. Make up pigments.

Question 19

Enzymes

Answer 19

Proteins that serve as a catalyst which speed up chemical reactions.

Question 20

Catabolism

Answer 20

Metabolic reaction in which substances are broken down.

Question 21

Anabolism

Answer 21

Chemical reaction in which substances are built up.