Classification of Matter

Question 1

element

Answer 1

Substances that are made of atoms all alike

Question 2

compound

Answer 2

Two or more elements that are chemically combined

Question 3

mixtures

Answer 3

Two or more substances that are only physically mixed

Question 4

heterogeneous

Answer 4

All substances in the mixture are distinguishable

Question 5

suspension

Answer 5

Heterogeneous mixtures made of solid and liquid that will settle out if undisturbed

Question 6

Colloids

Answer 6

Heterogeneous mixtures that will never settle out

Question 7

Homogeneous

Answer 7

Mixture that remains constantly and uniformly mixed

Question 8

mixture vs substance

Answer 8

mixtures will not always be proportionately mixed and can be easily physically separated
substances will always contain the same ratio and can’t be physically separated

Question 9

physical properties

Answer 9

any characteristic of material / substance you can observe without changing the chemical makeup

Question 10

Appearance

Answer 10

Anything you can physically see or measure

Question 11

behavior

Answer 11

ex. magnetism, malleability, ductility, and viscosity

Question 12

separating mixtures

Answer 12

can be separated using physical properties

Question 13

physical change

Answer 13

any change in size, shape, or state of matter

Question 14

chemical property and changes

Answer 14

any property of substance that you can observe that produces one or more new substances

Question 15

law of conservation of mass

Answer 15

States that the mass of what you start with (before the chemical change) MUST equal the mass of what you end up with (after the chemical change)