Chapter 3- Elements, Compounds, and Mixtures

Question 1

element

Answer 1

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

Question 2

pure substance

Answer 2

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

Question 3

metal

Answer 3

an element that is shiny and that conducts electricity well

Question 4

nonmetal

Answer 4

an element that conducts heat and electricity poorly

Question 5

metalloid

Answer 5

an element that has both 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 2 or more substances that are not chemically combined.

Question 8

solution

Answer 8

a homogeneous mixture of 2 or more substances uniformly dispersed throughout a single phase

Question 9

solute

Answer 9

in a 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 ata 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 a gas.

Question 14

colloid

Answer 14

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