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Chapter 2 (2.3 (Intensive property- is a property of matter that depends…
Chapter 2
2.3
Extensive property- is property that depends on the amount of matter.
Intensive property- is a property of matter that depends on only the type of matter in a sample
2.5
melting-example of physical change.
physical change- a change to a sample of matter
2.6
substance- it has uniform and definite compsition
mixtures-retain its own identy in properties.
2.1
Substances- is matter that has uniform and definite composition.
A compound- is acetylsalicylic acid a substance.
Element-A pure compound may also be a solid liquid or gas.
2.2
Physical Change- is a characteristic of a substance that can be observed or measured.
Melting points and boiling points - are the point of of something that will either boil or melt.
Density-Can be very useful parameter of identifiying an element.
Hardness- helps determine how an element might be used.
2.4
Solid liquid and gas- types of matter.