matter flashcards

Question 1

substance

Answer 1

is a type of matter with a fixed composition.

Question 2

element

Answer 2

if all the atoms in a substance have the same identity that substance is an element.

Question 3

compound

Answer 3

is a substance in which the atoms of two or more elements are combined in a fixed proportion.

Question 4

heterogeneous mixture

Answer 4

a mixture in which different materials can be distinguished easily is called a heterogeneous mixture.

Question 5

homogeneous mixture

Answer 5

contains two or more gaseous liquid or solid substances blended evenly throughout.

Question 6

solution

Answer 6

is a homogeneous mixture of particles so small that they cannot be seen with a microscope and will never settle to the bottom of there container.

Question 7

colloid

Answer 7

is a type of mixture with particles that are larger than those in solutions but not heavy enough to settle out.

Question 8

tyndall effect

Answer 8

this scattering of light by colloidal particles is called the tyndall effect.

Question 9

suspension

Answer 9

which is a heterogeneous mixture containing a liquid in which visible particles settle.

Question 10

physical property

Question 11

physical change

Question 12

distillation

Question 13

chemical property

Question 14

chemical change

Question 15

law of conservation of mass

Question 16

kinetic theory

Question 17

melting point

Question 18

heat of fusion

Question 19

boiling point

Question 20

heat of vaporization

Question 21

diffusion

Question 22

plasma

Question 23

thermal expansion

Question 24

buoyancy

Question 25

pressure

Question 26

viscosity

Question 27

pascal