Does this matter?
True or False: When you pour a can of coke into a glass, the volume changes.
False - The coke still takes up the same space, so its volume is still the same. The SHAPE of the liquid changed.
What is the difference between an element and a compound?
Elements are made of one type of atom, compounds are made of 2 or more elements bonded together.
Ex.: Element = gold (Au)
Compound = water (H2O)
What two categories can matter be sorted into?
Pure substances and mixtures
Homogenous mixtures are evenly mixed: salt dissolved in water, air, etc.
Heterogeneous mixtures are not evenly mixed: sand, salsa, etc.