Matter Flashcards
recall
What is matter?
Anything that occupies space and has mass.
Three levels of matter organization
Microscopic, Macroscopic, Particulate
Two properties of matter?
Physical and Chemical
Intensive is?
does not depend on the amount of the sample being examined.
Extensive is?
depends on the amount of the sample being examined.
What change alters the physical form?
Physical change
Phase changes are under physical change (T or F)
True
Sublimation is?
Solid -> Gas
Deposition is?
Gas -> Solid
3 indicators of chemical change
Color change, odor change, production of precipitate
In an endothermic process, does the system release or absorb heat?
Absorb
In an exothermic process, does the system release or absorb heat?
Release
Two main classifications of matter?
Pure substance and mixtures.
Two types of pure substances?
Elements and compounds
What is a pure substance?
Kind of matter that cannot be separated into two.
What are mixtures
Matter that consists of two or more chemicals.
What is the mixture where it’s components are not evenly distributed?
Heterogeneous
What is the mixture where it looks the same all throughout?
Homogeneous
Fill in the blanks: ____ is a type of homogeneous mixture where one substance of microscopically dispersed insoluble particles is suspended throughout another substance.
Colloids
