Quiz 2 Flashcards
What is a property
Something that describes matter
What is a change
Something that alters matter
What are physical properties
Smooth, opacity flexibility
Signs of a chemical change
Change in Color
Change in temp
Production of gas
Production of Solid (precipitate)
A burning candle wick is an example of what type of change
Chemical
Sublimation of dry ice is an example of what type of change
Physical
Evaporating water is an example of what type of change
Physical
Dying your hair is an example of what kind of change
Physical
Milk going sour is an example of what kind of change
Chemical
If particles are packed and slowly vibrating, what state of matter is the object in
Solid
If particles are barley moving past each other what form of matter is the substance in
Liquid
If particles are fast and far apart from each other what state of matter is the substance in
Gas
What is pure
Compounds, elements
What is not pure
Mixtures
What can be broken down/seperated
Compounds, mixtures
What cannot be broken down/ separated
elements
What has only one type of atom
Elements
What has 2 or more different types of atoms chemically bonded together
Compounds
What has 2 or more substances that is not chemically bonded
Mixtures
Do elements have unique properties
Yes
Do compounds have unique properties
Yes, properties that are different than the components used to form the compounds
Do mixtures have unique properties
No, they keep the same properties as the components that make up the mixture
