Chapter 15 Vocab

Question 1

Element

Answer 1

All of the atoms of a substance have the same identity

Question 2

Compound

Answer 2

A substance in which the atoms of two or more elements are combined in a fixed proportion

Question 3

Mixture

Answer 3

A material made up of two or more substances that can be easily separated by physical means

Question 4

Heterogeneous Mixture

Answer 4

A mixture in which different materials can be distinguished easily

Question 5

Homogeneous Mixture

Answer 5

Contains two or more gaseous, liquid, or sold substances blended evenly throughout

Question 6

Solution

Answer 6

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

Question 7

Colloid

Answer 7

A type of mixture with particles that are larger than those in solutions but not heavy enough to settle out

Question 8

Tyndall Effect

Answer 8

The scattering of light by colloidal particles

Question 9

Suspension

Answer 9

A heterogeneous mixture containing a liquid in which visible particles settle

Question 10

Physical Property

Answer 10

Any characteristic of a materials that you can observe without changing the identity of the substances that make up the material

Question 11

Chemical Property

Answer 11

A characteristic of a substance that indicates whether it can undergo a certain chemical change

Question 12

Molecule

Answer 12

Smallest pieces of matter

Question 13

Solute

Answer 13

Goes into solvent

Question 14

Solvent

Answer 14

Dissolves solute