Chemical -vs-Physical properties
Oxygen dissolves in the water, but it is still oxygen.
What is a physical property?
Definite shape and definite volume.
What is a solid?
cutting paper
What is a physical change?
The smallest part of an element. The basic unit from which all matter is made.
What is an atom?
Homogeneous mixture of particles so small that they cannot be seen with a microscope.
What is a solution?
Iron becomes a new substance after reacting with air and water.
What is a chemical property?
Indefinite shape and indefinite volume
What is a gas?
breaking glass
What is physical change?
Substances that are made up of only one type of atom.
What is an element?
Heterogeneous mixture containing a liquid in which visible particles settle.
What is a suspension?
Two substances are converted to two other substances.
What is a chemical property?
Indefinite shape and definite volume.
What is a liquid?
fireworks
What is a chemical change?
A group of two or more atoms held together by chemical bonds.
What is a molecule?
Type of mixture with particles that are larger than those in a solution, but still too light to settle out.
What is a Colloid?
Hardness and inflexibility.
What are physical properties?
Particles are closely packed together.
What is a solid?
ice melting
What is a physical change?
When a molecule contains more than one element. For example: NaCL (salt)
What is a compound?
Vinegar, unopened soda, hydrogen peroxide
What are solutions?
Wood is not being changed to something else. It is just being cut up.
What is a physical property?
Particles have energy to spread out.
What is a gas?
rusting metal
What is a chemical change?
Made up of two or more substances that are together in the same place. Their atoms are not chemically bonded.
What is a mixture?
Cool whip, milk, butter
What are colloids?