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Atomic Theory

Element Pure is made of only one type of atom
Compound Chemical combination of 2 or more atoms from different element
molecule 2 or more atoms combine compounds
Covalant cmpa btm 2 Nm
Ionic cmpa btm a metal and Nm
Lewis Dot Structure Shows the way cmpas form using valence electrons
Physical Change is one in which the form or appearance of matter changes
vaporization Liquid changes too solid. A liquid changes into a gas.
condensation gas changes into a liquid.
sublimation solid changes directly into a gas
deposition gas changes into solid
chemical change substances are changed into different substances
law of conservation of mass a fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system
Created by: apicazo