Mod 3 Lesson 2

Question 1

Compound

Answer 1

consists of two or more different atoms combined in a small, whole-number ratio that are chemically joined and cannot be separated easily

Question 2

Elements

Answer 2

unique forms of matter with specific chemical and physical properties that cannot be broken down into smaller substances by ordinary chemical reactions

Question 3

Heterogeneous mixture

Answer 3

a non-uniform mixture that can be separated into its components

Question 4

Homogeneous mixture

Answer 4

a uniform mixture where the components of the mixture are evenly distributed throughout the sample

Question 5

Law of constant composition

Answer 5

a law stating that pure substances always have the same composition which will not change from sample to sample

Question 6

Matter

Answer 6

anything that has mass and takes up space

Question 7

Mixture

Answer 7

composed of two or more individual types of matter that can be separated by physical methods

Question 8

Pure substance

Answer 8

a sample that consists of one type of matter and always has the same composition and properties