Studied by 4 peopleWhat is iron an example of?
An element
What is gold an example of?
An element
What is water an example of?
Compound
What are 2 ways compounds and elements are different?
Element is made of one type of atom
Compound is made of two or more elements chemically bonded
Compounds and elements are both what?
Pure substances
How are compounds and mixtures different?
Compounds can only be seperated by chemical reactions
What is the simplest form of a compound that still behaves like that compound?
Molecule
What are the building blocks of elements?
Atom
What are made of only one type of atom?
Elements
How are homogeneous & heterogeneous mixtures different?
Homo is same, hetero is different
What can you say about the makeup of a homogeneous mixture?
Same atoms
What is the definition of matter?
Anything that has density
What process is opposite evaporation, turning gasses into liquid?
Condensation
What process is the opposite of freezing, turning a solid into a liquid?
Melting
What happens to gas molecules when they condense into a liquid?
Get closer together
Gas and a liquid do not have a fixed what?
Shape
What causes a solid to change to a liquid?
Melt
What happens to water molecules when they boil?
Moving away
What causes ice melt in a hot pan?
The heat
When liquid loses heat and molecules slow down, what is formed?
Solid
Note
Flashcard