Warm Up Define these terms: Mixtures Elements Compounds Heterogeneous Pure substances Homogeneous.
The mole concept
Atoms This goes in the Chemistry section of your binder.
The Mole Unit 3 The Mole So far we have been dealing with numbers on the atomic scale… –Atomic Number = # of protons –Mass Number = # of protons + #
What is a mole?
General Chemistry
