What Is Matter? Flashcards
What is an Atom?
The building block of matter
What is matter?
Anything that has mass and volume
What are the two classifications of matter?
Pure substances and mixtures
Two types of pure substances
Elements
Compounds
What are elements?
They only have one type of atom
What are compounds?
Two or more atoms chemically bonded that have different properties than each atom by itself.
Two types of mixtues
Homogeneous
Heterogeneous
What is the differ dance between homogeneous and heterogeneous mixtures?
Homogeneous mixtures appear to be one single substance
Heterogeneous mixtures have visibly different substances
Difference between pure substances and mixtues
Pure substances have a constant composition and are chemically bonded
Mixtues are physical combinations
What is a molecule?
The smallest particle of a compound
