Chapter 3

Question 1

Element

Answer 1

a substance that cannot be separated or broken down into simpler substances by chemical means

Question 2

Pure Substance

Answer 2

a sample of matter, either a single element or a single compound, that has definite chemical and physical properties

Question 3

Metal

Answer 3

an element that is shiny and that conducts heat and electricity

Question 4

Nonmetal

Answer 4

an element that conducts heat and electricity poorly

Question 5

Metalloid

Answer 5

an element that has properties of both metals and nonmetals

Question 6

Compound

Answer 6

a substance made up of atoms of two or more different elements joined by chemical bonds

Question 7

Mixture

Answer 7

a combination of two or more substances that are not chemically combined

Question 8

Solution

Answer 8

a homogeneous mixture of two or more substances uniformly dispersed throughout a single phase

Question 9

Solute

Answer 9

in a solution, the substance that dissolves in the solvent

Question 10

Solvent

Answer 10

in a solution, the substance in which the solute dissolves

Question 11

Concentration

Answer 11

the amount of a particular substance in a given quantity of a mixture, solution, or ore

Question 12

Solubility

Answer 12

the ability of one substance to dissolve in another at a given temperature and pressure

Question 13

Suspension

Answer 13

a mixture in which particles of a material are more or less evenly dispersed throughout a liquid or gas

Question 14

Colloid

Answer 14

a mixture consisting of tiny particles that are intermediate in size between those in solutions and those in suspensions and that are suspend in a liquid, solid, or gas