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 an that conducts heat and electricity well

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 of more different elements joined by chemical bonds

Question 7

mixture

Answer 7

a combination of two or more substances that are not chemical 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

suspension

Answer 12

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

Question 13

colloid

Answer 13

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