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4.1 chemistry

chemistry

QuestionAnswer
intensive properties depend on the type of matter in a sample
extensive properties physical properties of a substance that depend on the amount of matter in a sample
physical properties a quality or condition of a substance that can be observed or measured without changing the substances competition
elements are the simplest form of matter that has a unique set of properties
compounds are substances that contain or more elements chemically combined in a fixed proportion
chemical changes are changes that produce matter with
electrolysis will break water into its elements
2 types of substances elements or compounds
how can compounds be broken down simpler substances by chemicals
how can mixtures be broken down by physically breaking
example of chemical change heating
example of physical properties color, melting point
how are intensive properties helpful in identifying substances because every sample has the same composition
difference between composition in a substance or a mixture if the composition is fixed in a substance. if the composition may vary in a mixture.
how are elements represented chemist use symbols to represent
Jons Jacob Brezelius he developed the system
describe the system in Latin, the first letter is capitalized, the second is lower cased.
Created by: user-1975553
 

 



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