Matter Quiz Flashcards
Compouds
Substance which cannot be decomposed into other substances by a chemical change.
Mixtures
2 or more different substances are mixed.
Can either be elements or compounds.
Weight ratios are not fixed.
Physical Properties
Anything you can see, touch, hear, smell.
Chemical Properties
Social Skills; how it reacts with other substances.
Extensive Properties
Depends on amount of matter i.e. weight
Intensive Properties
Does not depend on the amount of matter i.e. color, boiling point
Measurement
Never exact; some degree of uncertainty
Chemical Change
Change in composition of matter; energy usually involved; cannot be changed back.
Physical Change
No change is composition of matter.
Atom
Smallest component of an element; characterized by protons, neutrons, and electrons
Exothermic
Evolution of heat
Endothermic
Absorption of heat
Heat of Fusion
Amount of heat needed to melt one gram of a solid with no change in temperature.
Specific Heat
Amount of heat needed to raise the temperature of the substance by 1 degree C
Solid
low kinetic and particle energy; particles close together