Vocabulary
the amount of mass per unit volume, how tightly matter is packed
What is density?
a pure substance where only one type of atom is present and cannot be broken down into simpler substances
What is an element?
Glucose (C6H12O6)
What is a compound?
Density
What is a physical property?
matter that has a definite shape and volume
What is a solid?
a classification of matter where more than one different substance is present and they can be separated physically
What is a mixture?
Saltwater
What is a homogeneous mixture or solution?
Does not react with HCl
What is a chemical property?
a mixture with a uniform composition; you cannot see the different parts
What is a homogeneous mixture?
a property that describes the ability of a substance to change
What is a chemical property?
Iron (Fe)
What is an element?
Crushing metal
What is a physical change?
the transition temperature between solid and liquid
What is melting point?
the units we use for density (two options)
What is g/mL or g/cm3?
What is a heterogeneous mixture?
Burning paper
What is a chemical change?
a solid substance that is formed when two solutions react
What is a precipitate?
a separation technique in which solids are separated from liquids
What is filtration?
Air
What is a homogeneous mixture?
Separating a mixture
What is a physical change?