What Is Matter?
Matter
When two or more atoms join together, they form this
Molecule
All matter is made up of these tiny building blocks
Atoms
A mixture forms when substances are ___________ combined
Physically
Name the 3 states of matter
Solids, liquids, gases
This tells us the amount of matter in an object
Mass
Is O2 a compound? Explain why or why not
No. It is not a compound because it only contains one type of element
Atoms are so small that we cannot see them with our ____________
Eyes
Chemical combination creates a ____________
Compound
The state of matter has a definite shape and definite volume
Solid
This tells us the amount of space an object takes up
Volume
A compound forms when two or more different elements do this
Chemically combine
A substance made of only one type of atom is called this
Element
Physical combination creates a ____________
Mixture
This state has a definite volume but no definite shape
Liquid
Name TWO units commonly used to measure mass
Grams and kilograms
H2O is an example of this
Compound
The elements are organized on this
Is a mixture formed through a physical combination or a chemical combination
Physical combination
This state has no definite shape and no definite volume
Gas
Even though you cannot normally see it, this is matter because it has mass and takes up space
Air
In H2O, how many hydrogen atoms and oxygen atoms are there?
2 hydrogen atom and 1 oxygen atms
Name TWO examples of elements from your study guide
Hydrogen, oxygen, carbon, or sodium
What is the main difference between a compound and a mixture?
A compound forms when a substances chemically combine, while a mixture forms when substance are physically combined.
In this state, particles are far apart and move quickly in random direction
Gas