Chapter+One


 * Chapter 1: Matter and Change**
 * Key terms:**
 * __Chemistry__**- is the study of composition, structure, and properties of matter, the process matter undergoes, and the energy changes that accompany these processes
 * __Chemistry__**- is the study of composition, structure, and properties of matter, the process matter undergoes, and the energy changes that accompany these processes


 * __Organic chemistry__**- study of most carbon containing compounds
 * __Organic chemistry__**- study of most carbon containing compounds


 * __Inorganic chemistry__**- study of non-organic substances many of which have organic fragments bonded to metals
 * __Inorganic chemistry__**- study of non-organic substances many of which have organic fragments bonded to metals


 * __Physical chemistry__**- the study of the properties and changes of matter and the relation to energy
 * __Physical chemistry__**- the study of the properties and changes of matter and the relation to energy


 * __Analytical chemistry__**- the identification of the components and the composition of the materials
 * __Analytical chemistry__**- the identification of the components and the composition of the materials


 * __Biochemistry__**- the study of substances and processes occurring in living things
 * __Biochemistry__**- the study of substances and processes occurring in living things


 * __Theoretical chemistry__**- the use of mathematics and computers to understand the principles behind observed chemical behavior and to design and predict the properties of new chemical compounds
 * __Theoretical chemistry__**- the use of mathematics and computers to understand the principles behind observed chemical behavior and to design and predict the properties of new chemical compounds


 * __Chemical__**- any substance that has a definite composition
 * __Chemical__**- any substance that has a definite composition


 * __Mass__**- measure of the amount of matter
 * __Mass__**- measure of the amount of matter


 * __Matter__**- anything that has a mass and takes up space
 * __Matter__**- anything that has a mass and takes up space


 * __Atom__**- smallest unit of an element that maintains the chemical identity of that element
 * __Atom__**- smallest unit of an element that maintains the chemical identity of that element


 * __Element__**- a pure substance that cannot be broken down into simpler stable substances and is made of one type of atom
 * __Element__**- a pure substance that cannot be broken down into simpler stable substances and is made of one type of atom


 * __Compound__**- a substance that can be broken down into simpler stable substances. Each compound is made from the atoms of two or more elements that are chemically bonded.
 * __Compound__**- a substance that can be broken down into simpler stable substances. Each compound is made from the atoms of two or more elements that are chemically bonded.

Ex.- volume, mass, and amount of energy Ex. Melting point, boiling point, density, and conductivity
 * __Extensive properties__**- depend on the amount of matter present
 * __Extensive properties__**- depend on the amount of matter present
 * __Intensive properties__**- do not depend on the amount of matter present
 * __Intensive properties__**- do not depend on the amount of matter present
 * __Physical property__**- a characteristic that can be observed or measured without changing the identity of the substance
 * __Physical property__**- a characteristic that can be observed or measured without changing the identity of the substance


 * __Physical change__**- a change in a substance that does not involve a change in the identity of a substance
 * __Change of state__**- a physical change of a substance from one state to another
 * __Change of state__**- a physical change of a substance from one state to another
 * __Change of state__**- a physical change of a substance from one state to another


 * __Solid__**- state has definite volume and definite shape
 * __Solid__**- state has definite volume and definite shape


 * __Liquid__**- state has definite volume but indefinite shape
 * __Liquid__**- state has definite volume but indefinite shape


 * __Gas__**- state has neither definite volume or definite shape
 * __Gas__**- state has neither definite volume or definite shape


 * __Plasma__**- is a high temperature physical state of matter in which atoms lose most of their electrons, particles that make up atoms
 * __Plasma__**- is a high temperature physical state of matter in which atoms lose most of their electrons, particles that make up atoms


 * __Chemical property__**- relates to a substance’s ability to undergo changes that transform it into different substances
 * __Chemical property__**- relates to a substance’s ability to undergo changes that transform it into different substances


 * __Chemical change/chemical reaction__**- a change in which one or more substances are converted into different substances
 * __Chemical change/chemical reaction__**- a change in which one or more substances are converted into different substances


 * __Reactants__**- substances that react in a chemical change
 * __Reactants__**- substances that react in a chemical change


 * __Products__**- substances formed by chemical change
 * __Products__**- substances formed by chemical change


 * __Mixture__**- is a blend of two or more kinds of matter, each of which retains its own identity and properties
 * __Mixture__**- is a blend of two or more kinds of matter, each of which retains its own identity and properties


 * __Homogeneous__**- h
 * __Homogeneous__**- h