Ch.3 Chemical Compounds

Question 1

the combing of atoms to form molecules or compounds

Answer 1

chemical bond

Question 2

a compound made of oppositely charged ions

Answer 2

ionic compound

Question 3

a chemical compound by the sharing of electrons

Answer 3

covalent compound

Question 4

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

Answer 4

acid

Question 5

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

Answer 5

indicator

Question 6

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

Answer 6

base

Question 7

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

Answer 7

neutralization reaction

Question 8

a value that is used to express the acidity or basicity of a system

Answer 8

pH

Question 9

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

Answer 9

salt

Question 10

s covalently bonded compound that contains carbon

Answer 10

organic compound

Question 11

an organic compound composed only of carbon and hydrogen

Answer 11

hydrocarbon

Question 12

a class of energy-giving nutrients that includes sugars, starches, and fiber; composed of one or more simple sugars bonded together

Answer 12

carbohydrate

Question 13

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

Answer 13

lipid

Question 14

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

Answer 14

protein

Question 15

a molecule made up of subunits called nucleotides

Answer 15

nucleic acid