3.1-3.4 Chemical Compounds

Question 1

the combining of atoms to form molecules or compounds

Answer 1

Chemical Bond

Question 2

electrons in the outermost energy level of an atom

Answer 2

valence electrons

Question 3

an attraction between oppositely charged ions

Answer 3

ionic bond

Question 4

a compound made of oppositely charged ions

Answer 4

ionic compound

Question 5

sodium chloride; an ionic compound

Answer 5

table salt

Question 6

The arrangement of ions in a repeating three-dimensional pattern

Answer 6

crystal lattice

Question 7

a chemical compound formed by the sharing of electrons

Answer 7

covalent compound

Question 8

a weaker attractive force than an ionic bond

Answer 8

covalent bond

Question 9

the smallest particle into which a covalently bonded compound can be divided and still be the same compound.

Answer 9

molecule

Question 10

any compound that increases the number of hydronium ions when dissolved in water.

Answer 10

acid

Question 11

destroys body tissue, clothing, and many other things

Answer 11

corrosive

Question 12

a compound that can reversibly change color depending on conditions such as pH

Answer 12

indicator

Question 13

an indicator

Answer 13

bromthymol blue

Question 14

any compound that increases the number of hydroxide ions when dissolved in water

Answer 14

base

Question 15

when all the molecules of an acid break apart

Answer 15

strong acid

Question 16

the reaction of an acid and a base to form a neutral solution of water and a salt

Answer 16

neutralization reaction

Question 17

identify’s whether a solution contains a acid or base

Answer 17

indicator

Question 18

an ionic compound that forms when a metal atom replaces the hydrogen of an atom

Answer 18

salt

Question 19

a covalently bonded compound that contains carbon

Answer 19

organic compound

Question 20

they show how atoms in a molecule are connected

Answer 20

structural formulas

Question 21

an organic compound composed only of carbon and hydrogen

Answer 21

hydrocarbon

Question 22

alkane; a hydrocarbon in which each carbon atom in the molecule shares a single bond with each of four other atoms

Answer 22

saturated hydrocarbon

Question 23

a hydrocarbon in which at least one pair of carbon atoms shares a double bond or a triple bond.

Answer 23

unsaturated hydrocarbon

Question 24

compounds that contain two carbon atoms connected by a double bond

Answer 24

alkenes

Question 25

organic compounds that are made by living things and is divided into four categories

Answer 25

biochemicals

Question 26

biochemicals that are composed of one or more simple sugar molecules bonded together

Answer 26

carbohydrates

Question 27

gives plant cells walls their rigid structure

Answer 27

cellulose

Question 28

supplies energy to muscle cells

Answer 28

glycogen

Question 29

a type of biochemical that does not dissolve in water; fats and steroids are lipids

Answer 29

lipid

Question 30

a molecule that is made of amino acids and that is needed to build and repair body structures and regulate processes in the body

Answer 30

protein

Question 31

small molecules mad up of carbon, hydrogen, oxygen, and nitrogen atoms.

Answer 31

amino acids

Question 32

regulates chemical reactions in the body by increasing the rate at which the reactions occur

Answer 32

catalysts

Question 33

proteins that are catalysts

Answer 33

enzymes

Question 34

found in red blood cells and delivers oxygen throughout the body

Answer 34

hemoglobin

Question 35

a molecule made up of subunits called nucleotides

Answer 35

nucleic acids

Question 36

molecules made of carbon, hydrogen, oxygen, nitrogen, and phosphorus atoms

Answer 36

nucleotides

Question 37

the genetic material of the cell

Answer 37

DNA

Question 38

involved in the actual building of proteins

Answer 38

RNA