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 substances

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 well.

Question 4

non-metal

Answer 4

an element that conducts heat and electricity poorly

Question 5

metalloid

Answer 5

an element that has properties of both metals and non-metals

Question 6

compound

Answer 6

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

Question 7

mixture

Answer 7

a combination of two or more substances that aren’t chemically combined

Question 8

solution

Answer 8

a homogeneous mixture of two or more substances uniformly disperesed hroughout a single phase

Question 9

solute

Answer 9

in a solution, the substance that dissolves in the solves

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 or more or less evenly dispersed throughout a liquid or gas

Question 14

collid

Answer 14

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