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chapter 2 properties of matter - Coggle Diagram
chapter 2 properties of matter
2.2
matter can change from one state to another
solids can became liquids, and liquids can become solids
melting
melting is process by which a solid becomes a liquid
melting point the things when it started to melt
freezing
freezing a liquid become a solid
freezing point of substance
liquids can become gases can become liquids
evaporation
evaporation is a process by which a liquid becomes a gas
sublimation a solid changes directly to a gas
boiling
boiling is another process by which a liquid became a gas.
boiling point when a certain temperature happens
condensation
condensation gas changes to a liquid
2.1
physical properties
physical properties
charactistics of a sudstance
Denstiy D = M/V is a measure of amount of matter
physical changes is a change in any physical property
chemical properties describe how substances form new substances
chemical properties and changes
chemical properties describe how substances can form new substances.
Chemicals change the change of one substance into another substance is called a chemical change
signs of a chemical change
2.3
substances have characteristic properties
identifying unknown Substances
properties Used for Identifying Substances
Heating Propties that respond to heating in different ways
solubility is a measure of how much of a substances dissolve
Electric properties Some substances conduct electricity
magnetic properties Some substances are attracted to magnets
Mix can be seeparated by using the properties of the substances in them