Which of the following is NOT a postulate in Dalton's atomic theory? I. All matter consists of divisible particles called atoms.
II. Atoms of the same element are identical in mass and properties.
III. Atoms cannot be created or destroyed.
IV. Compounds are formed by a combination of two or more different kinds of atoms.
I
II
III
IV

Match the following items. match the items in the left column to the items in the right column. 1. general or nonspecific observation best fit curve 2. educated guess quantitative 3. when two variables change in the same direction, one remaining larger than the other by the same factor theory 4. "measured" observation control 5. standard, reference data, or experiment qualitative 6. a presently accepted explanation of how something happens law 7. a statement that explains what something does under the same conditions hypothesis 8. a curve drawn to average the data's deviations direct relationship