Chapter 3 Flashcards
chemical bond
the combining of atoms to form molecules or compounds
ionic compound
a compound made of oppositely charged ions
covalent compound
a chemical compound formed by the sharing of electrons
acid
any compound that increases the number of hydronium ions when dissolved in water
indicator
a compound that can reversibly change color depending on conditions such as pH
base
any compound that increases the number of hydroxide ions when dissolved in water.
neutralization reaction
the reaction of an acid and a base to form a neutral solution of water and a salt
pH
a value that is used to express the acidity or basicity of a system
salt
an ionic compound that forms when a metal atom replaces the hydrogen of an acid
organic compound
a covalently bonded compound that contains carbon
hydrocarbon
an organic compound composed only of carbon and hydrogen
carbohydrate
a class of energy-giving nutrients that include sugars, starches, and fiber; composed of one or more simple sugars bonded together
lipid
a type of biochemical that does not dissolve in water; fats and steroids are lipids
protein
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
nucleic acid
a molecule made up of subunits called nucleotides
