Intro to Chem

Question 1

The Law of Conservation of Mass states that matter is neither ___________ or ____________.

Accepted Answer

created, destroyed

Question 2

Which physical property depends on the amount of substance?

Accepted Answer

extensive

Question 3

What are some characteristics or properties of matter?

Accepted Answer

it has mass, takes up space

Question 4

Which of these is NOT an example of an EXTENSIVE property?

Accepted Answer

color

Question 5

Which of the following are types of energy?

Accepted Answer

thermal, nuclear, potential, Solar (light)

Question 6

Which of these is NOT a state of matter?

Accepted Answer

Cellinoid

Question 7

Which of the following are PURE substances?

Accepted Answer

compounds, elements

Question 8

What are the TWO types of physical properties?

Accepted Answer

extensive, intensive

Question 9

The properties of a compound are _______________ from the elements that make it up.

Accepted Answer

different

Question 10

Which type of mixture can you see all the different parts? Ex) salad

Accepted Answer

heterogeneous

Question 11

Elements CAN be separated into simpler substances.

Accepted Answer

False

Question 12

What are the TWO types of changes that matter undergoes?

Accepted Answer

physical change, chemical change

Question 13

Which is not an example of a physical property?

Accepted Answer

flammability

Question 14

Chemistry is the study of _________, its ________, and the ________ it undergoes.

Accepted Answer

properties, changes, matter

Question 15

The TWO types of mixtures are...

Accepted Answer

heterogeneous, homogeneous

Question 16

Phase changes such as when water freezes, melts, evaporates are physical changes.

Accepted Answer

True

Question 17

Which of the following chemical symbols is incorrect?

Accepted Answer

plasma - (p)

Question 18

Choose all the chemical properties/changes below.

Accepted Answer

flammability, combustion, rusting

Question 19

A mixture is a pure substance

Accepted Answer

False

Question 20

A characteristic that can be observed or measured without changing its composition is a...

Accepted Answer

physical property

Question 21

Compounds CAN be separated into simpler substances?

Accepted Answer

True

Question 22

Solutions are considered homogeneous mixtures. Ex) salt water solution

Accepted Answer

True

Question 23

Which of the following element symbols is written incorrectly?

Accepted Answer

CL

Question 24

The ability for a substance to combine with or change into other substances is a...

Accepted Answer

chemical property

Question 25

Which of the following are INTENSIVE physical properties?

Accepted Answer

odor, melting point, density

Question 26

Energy is matter

Accepted Answer

False

Question 27

Which of the following are the TWO types of properties?

Accepted Answer

physical, chemical

Question 28

Ripping a piece of paper or breaking a cube of sugar are considered...

Accepted Answer

a physical change

Question 29

Which of the following is NOT considered evidence of a chemical change?

Accepted Answer

change in shape

Intro to Chem

Questions 29

Intro to Chem

Questions 29