Chapter3

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 a single element or a single compound ,and has definite chemical,physical propertys

Question 3

metal

Answer 3

an element that is shiny and conducts well under heat, and electricity

Question 4

nonmetal

Answer 4

an element that conducts poorly with heat and electricity

Question 5

mettalliod

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 combinations of two or more substances that are not chemically bonded

Question 8

solution

Answer 8

a homogeneous mixture of two or more substances

Question 9

solute

Answer 9

in a solution the substances that dissolves in a solvent

Question 10

solvent

Answer 10

in a solution the substances that dissolve in a solute

Question 11

concentration

Answer 11

the amount of a particular substances in a give quantity of a mixture, solution, or ore

Question 12

solubility

Answer 12

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

Question 13

suspension

Answer 13

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

Question 14

colloid

Answer 14

a mixture of tiny particles that are intermidiate in size between those in solution and those in solutions and those in size between those in solution and those in suspention and that are suspended in a liquid solid or gas