Matter

matter is of two things pure substances and mixtures Pure substance- A homogeneous sample of matter that has the same composition and distinct properties Pure substances ae made of elements- Composed of only one type of atom. Simplist form...

types of chemistry

chemistry is the study of the composition of matter organic chemistry is the study of carbon compounds- living things inorganic chemistry is the study of non-living things(metals) physical chemistry is the study of phsical properties ...

demensional analysis

allows you to measure from one land to another( allows you to convert or solve a series of problems in one step. conversion factors are setup by units)  

conversion factors

weight 103 mg=g 106 µg=g 109ng=g 1012 pg=g 103g=Kg 2.21 lb.=Kg 454g =lb 16 oz = lb 2000 lb= ton Length 1in=2.54cm 10mm=cm 102cm=m 103mm=m 106µm=m 109nm=m 1012pm=m 103m=Km 0.622mi=Km 36in=yd...