Chapter 15 Vocab Cards Flashcards
(15 cards)
Is a substance in which the atoms of two or more elements are combined in a fixed proportion.
Compound
If all the atoms in a substance have the same identity. It’s called.
element
Is a type of mixture with particles that are larger then those in solutions but not heavy enough to settle out.
Colliod
This contains two or more gaseous, liquid, or solid substance blended evenly throughout. (Also that you can’t see the different elements.)
Homogeneous Mixture
Is a homogeneous mixture of particles so small that they cannot be seen with a microscope and will never settle to the bottom of their container.
Solution
Is a type of matter with a fixed composition.
Substance
Any characteristic of a material that you can observe without changing the identity of the substances that make up the material.
Physical Property
A heterogeneous mixture containing a liquid in which visible particles settle.
Suspension
When a beam of light passes through colloid, it can be seen readily. This occurs because the particles in the colloid are large enough to scatter light. This is called ___
Tyndall Effect
A change in size, shape, of state of matter is called.
Physical Change
The process for separation substances in a mixture by evaporation a liquid and recondencing its vapor.
Distillation
Is a characteristic of a substance that indicates whether it can undergo a certain chemical change.
Chemical Property
A change of one substance into another.
Chemical change
The mass of all substances that are present before a chemical change equals the mass of all the substances remain after the change.
Law of conservation of mass
A mixture in which different materials can be distinguished easily is called.
heterogeneous mixture
