chapters 1-3

Question 1

isomers

Answer 1

have the same molecular formula but diffrent structures

Question 2

functional groups change

Answer 2

change the properties of organic compounds

Question 3

monosaccharides

Answer 3

are simple sugars

Question 4

disasaccharides

Answer 4

consist of two monosaccharides

Question 5

polysaccharides

Answer 5

can store energy or create structure

Question 6

triacylglycerol

Answer 6

formed from glycerol and three fatty acids

Question 7

cartenoids

Answer 7

derived from isoprene units

Question 8

steroids

Answer 8

contain four rings of carbon atoms

Question 9

amino acids

Answer 9

subunits of protein

Question 10

3 disaccharides

Answer 10

surcose-table sugar maltose-malt sugar lactose-milk sugar

Question 11

enzymes

Answer 11

large proteins which catalyze action

Question 12

DNA

Answer 12

used to store biological information

Question 13

RNA

Answer 13

used as working blueprints for protein synthesis

Question 14

inorganic compounds

Answer 14

small, simple substances

Question 15

organic compounds

Answer 15

generally large, carbon containing compounds

Question 16

elements

Answer 16

substances that cant be broken down into simpler substances by ordinary chemical reactions

Question 17

atom

Answer 17

the smallest unit of an element that retains the elements chemical properties

Question 18

atomic number

Answer 18

fixed number of protons in a atomic nucleus

Question 19

bohr models

Answer 19

represent electron configurations in elements with concentric rings

Question 20

atomic mass

Answer 20

mass of a subatomic particle

Question 21

isotopes

Answer 21

atoms with the same elements with varying number of neutrons

Question 22

orbitals

Answer 22

3-d region in space which electrons move,contain a maximum of two electrons

Question 23

avogrados number

Answer 23

one mol of any substance has exactly the same number of atoms or molecules

Question 24

bond energy

Answer 24

the energy it takes to break a chemical bonds

Question 25

covalent bonds

Answer 25

share electrons between atoms to fill each others valence shells

Question 26

ion

Answer 26

an atom or group of atoms with one of more units of electric charge

Question 27

cation

Answer 27

atoms with 1 2or 3 valence electrons that lose electrons to other atoms and become positivley charged

Question 28

anion

Answer 28

atoms with 5 6 or7 valence electrons that gain atoms from other electrons and become negativly charged

Question 29

cohesion

Answer 29

occurs when water molecules stick to one another

Question 30

adhesion

Answer 30

the ability of water to stick to other substances

Question 31

capillary action

Answer 31

tendency of water to move in tubes even agaisnt gravity

Question 32

combination of adhesion and cohesion

Answer 32

surface tension

Question 33

acid

Answer 33

substance that dissociates in solution to yeild hydrogen ion and anion

Question 34

a buffer

Answer 34

a substance that resist changes in ph when a acid or base is added