App Smashing
By: Taylor & Eron
Heterogeneous Mixture
A mixture where the individual substance remains distinct
Homogeneous Mixture
A mixture where the composistion is constant throughout

Element
A pure substance that cannot be separated into simpler substances by pyhsical or chemical means

Compounds
Are made up of two or more elemets combined chemically

Electrons
First subatomic particle, J.J. Thomson's plum pudding model of the atom states that the atom is a uniform, positively charged sphere containing electrons

Nucleus
Almost all of the atom's positive charge and almost all of its mass is contained in a dense region in the center of the atom which is the nucleus
