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Chemistry Final

QuestionAnswer
Size, shape, color, temperature,texture, and weight. Physical property
Things you cannot observe using the five senses. How a chemical reacts in a given situation. Chemical property
A statement that can be tested. Hypothesis
A general principle that has been developed to explain a wide variety of phenomena. Must be consistent with known experimental results. Theory
An observation that has been repeatedly seen. Law
Does not have a uniform composition. Has different properties in different parts of the mixture. Heterogeneous
Has a uniform composition. Uniform properties in different parts of the mixture. Homogeneous
Formula for density Mass / Volume
Sometimes called Proust's law. States that a chemical compound always contains exactly the same proportion of elements by mass. Law of Definite Proportions
The mass of the products equals the mass of the reactants. Law of Conservation of Mass
Cathode ray led to the discovery of... the electron
Gold foil experiment structure of the atom
6.0221415 × 10^23 Avagadro's number
Created by: rosemint67