Chapter 6

Question 1

Define Elements

Answer 1

Pure Subtances that cannot be broken down by physical or chemical means
All are organized on the periodic table

Question 2

Compounds

Answer 2

A pure substance formed from two or more combined elements

Question 3

Chemical Reaction

Answer 3

The process in which atoms or groups of atoms are reorganized into different substances

Question 4

Mixtures

Answer 4

a combination of two or more substances where they keep their properties and charictaristics

Question 5

Homogeneous mixture

Answer 5

a mixture that has uniform composition throughout. meaning mixed well and not separated

Question 6

Heterogeneous Mixture

Answer 6

a mixture that is not well mixed or is separated
ex oil and water, salad

Question 7

colloids

Answer 7

a heterogeneous mixture that does not sepparate
ex mayo,paint,smoke

Question 8

Acids

Answer 8

substances that have a low Ph which means more H ions

Question 9

Bases

Answer 9

Substances of Higher Ph that have less H ions

Question 10

Diffusion

Answer 10

The process of solute moving from High to low concentration

Question 11

Osmosis

Answer 11

Movement of water through a selective membrane.
Low to High concentration

Question 12

Isomers

Answer 12

Elements that have the same chemical formula but different shapes

Question 13

Isotopes

Answer 13

Same atomic number but different atomic mass

Question 14

Saccharides

Answer 14

Sugars
Basic formula CH2O

Question 15

Monosaccharides

Answer 15

sugar
ring or chain bonds
3-6 carbons

Question 16

Disaccharides

Answer 16

2 Monosaccharides joined by dehydration synthesis

Question 17

Poly(many)saccharides

Answer 17

Long chains made out of monosaccharides

Question 18

Lipids

Answer 18

Molecules made of Ca and H that make up fats oils and waxes
Nonpolar

Question 19

Cholesterol

Answer 19

Fats in a ring structure

Question 20

Saturated fat

Answer 20

solid fat no double bonds

Question 21

Unsaturated fat

Answer 21

1 or more double bond. liquid

Question 22

proteins

Answer 22

compound made of small compounds called amino acids
held together by H bonds and covalent bonds

Question 23

Functions of Proteins

Answer 23

Structure
Pumps
Gates
Receptors
Enzymes

Question 24

Chemical bonds

Answer 24

the force that holds atoms together

Question 25

Covalent bonds

Answer 25

a bond between shared electrons ex water

Question 26

polar

Answer 26

unequal sharing of electrons. Nonpolar is equal sharing

Question 27

Hypotonic solution

Answer 27

less solute more water

Question 28

Hypertonic solution

Answer 28

more solute less water