Unit 1

Question 1

Order of magnitudes chart

Answer 1

giga G 10^9
mega M 10^6
kilo k 10^3
centi c 10^-2
milli m 10^-3
micro u 10^-6
nano n 10^-9
pico p 10^-12

Question 2

What operation is performed when answer contains same number of sig figs as the measurement with fewest sig figs?

Answer 2

Multiplication/Division

Question 3

What operation is performed when the answer contains the same number of decimal places as there are in the fewest decimal places.

Answer 3

Addition/ Subtraction

Question 4

Something that gives repeatable, consistent results.

Answer 4

Precise

Question 5

Something that measures results that are close to the actual value.

Answer 5

Accurate

Question 6

The study of matter and how it interacts

Answer 6

Chemistry

Question 7

With carbon

Answer 7

Organic

Question 8

Without Carbon

Answer 8

Non-Organic

Question 9

What its made of

Answer 9

Analytical

Question 10

How it acts (behavior)

Answer 10

Physical

Question 11

Processes that take place in living organisms

Answer 11

Biochem

Question 12

An idea that can be experimentally tested and/or verified.

Answer 12

Hypothesis

Question 13

An idea that has evidence to support it

Answer 13

Theory

Question 14

Just is. Description of a natural phenomenon and usually has math.

Answer 14

Law

Question 15

Anything that has mass and takes up space

Answer 15

Matter

Question 16

The amount of matter the object contains

Answer 16

mass

Question 17

Matter that has a uniform and definite composition

Answer 17

pure substance

Question 18

A quality or condition of a substance that can be observe or measured without changing the substances composition

Answer 18

Physical Property

Question 19

Alters a given material without changing its chemical composition

Answer 19

Physical change

Question 20

Define volume
Define shape

Answer 20

Solids

Question 21

Indefinite volume
Indefinite shape
Completely fills volume and shape of container its in

Answer 21

Gases

Question 22

Define volume
Indefinite shape
Always takes shape of container its in

Answer 22

Liquids

Question 23

A change that produces matter with different composition than the original matter

Answer 23

Chemical Change

Question 24

Ability of a substance to undergo specific chemical change

Answer 24

Chemical property

Question 25

In chemical reactions. the starting substances are called_____ and the substances formed are called______.

Answer 25

Reactants
Product

Question 26

Color change
Change in odor
Formation of gas
Formation of a precipitate
Energy absorbed or given off

Answer 26

Indicators that a chemical change has taken place

Question 27

In any physical change or chemical reaction, mass is neither created nor destroyed.

Answer 27

Law of conservation of mass

Question 28

Physical blend of two or more substances

Answer 28

Mixture

Question 29

Chemical blend

Answer 29

Compound

Question 30

Completely uniform composition that consists of a single phase. Also called solution.

Answer 30

Homogeneous

Question 31

Mixture that’s not uniform in composition and consists of 2 or more phases.

Answer 31

Heterogeneous

Question 32

Simplest forms of matter

Answer 32

elements

Question 33

Substances that can be separated into simpler substances only by chemical means.

Answer 33

compounds

Question 34

describe how electrons and electron levels are connected

Answer 34

electrons have quantized (set) energy levels that they sit at

Question 35

Where is the atomic mass and number located on an element

Answer 35

top number is atomic number and bottom number is mass number