Chapter 7 Basics of Chemistry pt. 2 Worksheet

A substances relative degree of acidity or alkalinity and is measured on a scale of 0 to 14
An atom or molecule that carries an electrical charge
Causes an atom or molecule to split in two, creating a pair of ions with opposite electrical charges
An ion with a negative electrical charge
An ion with a positive electrical charge
An anion with one oxygen and one hydrogen atom
Substances that have a pH below 7.0, taste sour, turn litmus paper from blue to red
Have a pH above 7.0, taste bitter, and turn litmus paper red to blue
A protective barrier against certain forms of bacteria and other microorganisms
When an acid is mixed with an alkali in equal proportions to neutralize each other and form water and a salt
A chemical reaction in which the oxidizing agent is reduced and the reducing agent is oxidized
The process which oxygen is subtracted from or hydrogen is added to a substance through a chemical reaction
Chemical reaction in which the oxidizing agent is reduced and the reducing agent is oxidized
The rapid oxidation of a substance, accompanied by the production of heat andlight
Used to stabilize by preventing oxidation that would otherwise cause a product to turn rancid
A uniform mixture of two or more mutually miscible substances
Any substance that is dissolved by a solvent to form a solution
Any substance that dissolves the solute to form a solution
Liquids are mutually soluble
Liquids that are not mutually soluble
Unstable mixtures of two or more immiscible substances
Mixtures of two or more immiscible substances united with the aid of an emulsifier
Used t emulsify oil and water to create an emulsion
One one end of the surfactant molecule that is water loving
One end of the surfactant molecule that is oil loving