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blake chapter 2

vocabulary

QuestionAnswer
chemistry about what other things are made of, properties, and how they can change
matter anything that has mass and takes up space
element substances that can be seperated or broken down
atom smallest unit of an element that can maintain the properties
compound made of 2 or more different elements that can be chemically combined
molecules smallest unit that can keep all properties
chemical formula combination of symbols and numbers that represent a substance
pure substance sample of matter with physical and chemical properties
mixture combination of 2 or more substance
melting point temperature at which a solid becomes liquid
boiling point temperature at which a liquid becomes a gas
density ratio of mass to volume
reactivity ability to combine with another substance
flammability ability to burn
physical change a change you can physically notice
chemical change change that creates one or more new substances
Created by: bamasmith
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