Solved: Define mineral, ore, and metallurgy.

Principles of Chemistry: A molecular approach Chapter 2 Imaging and moving  Gerd, Binning and Heinrich Roher -- experiment with electric current over a flat metal surface = tunneling current to view atoms  Law of conservation of matter o Matter can neither created or destroyed  Total reactant = total product  Dalton - English chemist o Atomic theory of matter o Atoms are small, discrete, indivisible pieces of matter o Elements are made up of atoms o All atoms are the same  Law of definite proportions o Same thing every time in same proportions  Example: NaCl is always a 1:1 proportions  Law of mult