Chapter 3 vocab

Question 1

chemical bond

Answer 1

the forming of atoms to form molecules of compounds

Question 2

ionic compounds

Answer 2

a compound made of oppositely charged ions

Question 3

covalent compound

Answer 3

a chemical compound formed by the sharing of electrons

Question 4

acid

Answer 4

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

Question 5

indicator

Answer 5

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

Question 6

base

Answer 6

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

Question 7

neutralization

Answer 7

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

Question 8

pH

Answer 8

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

Question 9

salt

Answer 9

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

Question 10

organic compound

Answer 10

a covalently bonded compound that contains carbon

Question 11

hydrocarbon

Answer 11

an organic compound composed only of hydrogen and carbon

Question 12

carbohydrate

Answer 12

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

Question 13

lipids

Answer 13

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

Question 14

protein

Answer 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

Question 15

nucleic acids

Answer 15

a molecule that is made up of subunits called nucleotides