enSCChemistry9
Element : cannot be broken into simpler parts
Compound : made of two or more
homogeneous : mixed so well that it looks like 1
Heterogeneous : two things mixed but still visible
atom : the smallest form of particle
atomic number : the number of protons in the nucleus
anion : negatively charged ion
boiling point : the point something starts to boil
cation : positively charged ion