Module#5 Chemistry

Question 0

An explanation or representation of something that cannot be seen

Answer 0

Model

Question 1

Anything that has mass and takes up space

Answer 1

Matter

Question 2

A collection of atoms that have the same number of protons

Answer 2

Elements

Question 3

A change that affects the appearance but not the chemical makeup if a substance

Answer 3

Physical changes

Question 4

A change that alters the makeup of the elements or molecules of a substance

Answer 4

Chemical change

Question 5

The random motion of molecules from an area if high concentration to an area of low concentration

Answer 5

Diffusion

Question 6

A measurement of how much solute exists within a certain volume of solvent

Answer 6

Concentration

Question 7

A membrane that allows some molecules to pass through but does not allow other molecules to pass through

Answer 7

Semi permeable membrane

Question 8

The tendency of a solvent to travel across a semipermeable membrane into areas of higher solute concentration

Answer 8

Osmosis

Question 9

A substance that alters the speed of a chemical reaction but is not used up in the process

Answer 9

Catalyst

Question 10

A molecule that contains only carbon and any of the following
Hydrogen
Oxygen
Nitrogen
Sulfur
Phosphorous

Answer 10

Organic molecule

Question 11

The process by which living organisms produce larger molecules from smaller ones

Answer 11

Biosynthesis

Question 12

Two different molecules that have the same chemical formula

Answer 12

Isomers

Question 13

Simple carbohydrates that contain 3 to 10 carbon atoms

Answer 13

Monosaccharides

Question 14

Carbohydrates that are made up of two monosaccharides

Answer 14

Monosaccharides

Question 15

Carbohydrates that are made up of much of the food that we eat

Answer 15

Polysaccharides

Question 16

A chemical reaction in which molecules combine by removing water

Answer 16

Dehydration reaction

Question 17

Breaking down complex noble ulema by the chemical addition of water

Answer 17

Hydrolysis

Question 18

Lacking any affinity to water

Answer 18

Hydrophobic

Question 19

A livid made from fatty acids that have no double bonds between carbon atoms

Answer 19

Saturated fat

Question 20

A lipid made from fatty acids that have at least one double bond between carbon atoms

Answer 20

Unsaturated fat

Question 21

A bond that links amino acids together in protein

Answer 21

Peptide bond

Question 22

A strong attraction between between hydrogen atoms and certain other atoms ( usually oxygen or nitrogen) in specific molecules

Answer 22

Hydrogen bond