Ch 1 & 2

Question 0

What are the 2 ways matter is classified?

Answer 0

By state

By composition

Question 1

What is chemistry?

Answer 1

The study if matter and it’s properties.

Question 2

What are the 3 states of matter?

Answer 2

Solid
Liquid
Gas

Question 3

What are the 2 types of pure substances?

Answer 3

Elements

Compounds

Question 4

What are the 2 kinds of properties of matter?

Answer 4

Physical

Chemical

Question 5

What are the 2 types of changes matter can experience?

Answer 5

Physical

Chemical

Question 6

What kind of property describes the make up of matter

Answer 6

Physical

Question 7

What kind of property describes the way matter interacts?

Answer 7

Chemical

Question 8

What kind of change in matter results in a change in appearance but not in chemical composition?

Answer 8

Physical

Question 9

What kind of change in matter results in a change of molecular structure?

Answer 9

Chemical

Question 10

What are the 3 ways to use physical properties to separate mixtures?

Answer 10

Filtration
Distillation
Chromatography

Question 11

Which method of separating mixtures allows solids and liquids to be separated?

Answer 11

Filtration

Question 12

Which method of separating mixtures uses differences in boiling points to separate homogenous mixtures?

Answer 12

Distillation.

Question 13

Which method for separating a mixture uses the differences in solubility?

Answer 13

Chromatography

Question 14

SI Base Unit for mass

Answer 14

Kilograms

kg

Question 15

SI Base Unit for length

Answer 15

Meter

m

Question 16

SI Base Unit for time

Answer 16

Second

s or sec.

Question 17

SI Base Unit for temperature

Answer 17

Kelvin

K

Question 18

SI Base Unit for amount of substance

Answer 18

Mole

mol

Question 19

SI Base Unit for electric current

Answer 19

Ampere

A or amp

Question 20

Peta (P)

Answer 20

10^15

Question 21

Tera (T)

Answer 21

10^12

Question 22

Giga (G)

Answer 22

10^9

Question 23

Mega (M)

Answer 23

10^6

Question 24

Kilo (k)

Answer 24

10^3

Question 25

Deci (d)

Answer 25

10^-1

Question 26

Centi (c)

Answer 26

10^-2

Question 27

Milli (m)

Answer 27

10^-3

Question 28

Micro

Answer 28

10^-6

Question 29

Nano (n)

Answer 29

10^-9

Question 30

Pico (p)

Answer 30

10^-12

Question 31

2 examples of common derived units

Answer 31

Volume

Density

Question 32

How do you convert Celsius to kelvin

Answer 32

Subtract 273

Question 33

Density of water at 4C

Answer 33

1.00g/mL

Question 34

Getting the same answer repetitively is ___

Answer 34

Percision

Question 35

Getting the correct answer is

Answer 35

Accuracy

Question 36

What does atom mean?

Answer 36

Indivisible

Question 37

Who first coined the atomic theory that all elements are composed of atoms

Answer 37

Dalton

Question 38

Which law states that the mass of material after a reaction must be the same as the reactants.

Answer 38

Law of conservation of mass

Question 39

Which law relates to the ratios of elements in compounds.

Answer 39

Law of multiple proportions

Question 40

Who discovered electron using a cathode ray tube

Answer 40

J J Thompson

Question 41

Who used X-ray and an oil drop experiment to determine the charge of electrons

Answer 41

Millikan

Question 42

2 protons and 2 neutrons create

Answer 42

Alpha radiation

Question 43

1 high energy electron is released in

Answer 43

Beta radiation

Question 44

Pure energy with no charge is released in

Answer 44

Gamma radiation

Question 45

Who discovered the atom was mostly empty space

Answer 45

Rutherford