CHEMISTRY WOOOOO

The knowledge obtained by observing natrual events and conditions in order to discover facts and create law or priciples that can be tested.

Science

The study of the compistion structure and properties of matter, the process that matter undergoes and the energy changes that accompany these.

Chemistry

Any substance that has a definites compisition

chemical

a measure of the amount of matter

mass

anything that takes up space and nas mass

matter

the smallest unit of an element that maintains chemical indetity of that element

atom

a pure substance that cant be broken down int os stable substance and is made up of one type of atom

element

a substance that can be broekn down in to a simple stable substance. Each made from atoms of two oe more elements that are cemically bonded

compound

> do ==__***NOT***__== depend on the amount of matter present

intensive properties

depend on the amount of matter present

EXTENSIVE properties

can be observed or measred wihtout changing the identity

physical property

a change in substance that does not involve a change in identity

physical change

a physical change from one state to another

change of state

definanite voume and shape

solid

definiate volume no shape

liquid

no shape or volume

gas

a physical state of matter which atoms lose most of their electrons

plasma

substances ability to undergo changes that transform into diffferent shapes

chemical property

change where one or more substances are converted to different substances

chemical change

substances that react

reactants

substances formed by chemical

products

a blend of 2 or more kinds of matter. Each has its own identity

mixture

mixtures that are uniform in composition

homogeneous

mixtyres that are ==__***NOTTTTTTTTTTTTTTT***__== uniform

HETEROgeneous

homogenous mixtures

solutions