Chapter 1 Terms - Matter

Question 1

combination of pure substances with no fixed proportions, separated by physical changes

Answer 1

mixtures

Question 2

has the same composition and properties throughout (salt water, brass, steel, air)

Answer 2

homogenous mixture

Question 3

varies in composition and/or properties throughout (muddy water, paint, concrete, concrete, granite, India ink, paper)

Answer 3

heterogeneous mixture

Question 4

measure of the quality of matter or number of atoms

Answer 4

mass ( kg )

Question 5

measure of the gravitational force on matter

Answer 5

weight ( N )

Question 6

measure of the average kinetic energy of particles

Answer 6

temperature ( K )

Question 7

amount of space an object occupies

Answer 7

volume ( m’3 )

Question 8

characteristic observed without undergoing a change in composition

Answer 8

physical property

Question 9

depends on the amount of matter (mass, length, volume)

Answer 9

extensive property

Question 10

depends on the type of matter (density, conductivity, boiling/melting points)

Answer 10

intensive property

Question 11

characteristic observed while undergoing a change in composition (flammability, oxidation, acid resistance)

Answer 11

chemical property

Question 12

have fixed compositions, do not vary from one sample to another

Answer 12

pure substance

Question 13

two or more different elements combined in fixed proportions

Answer 13

compound