chemistry test 1

Question 1

what is chemistry

Answer 1

the study of molecules, matter, and the changes matter undergoes

Question 2

organic chemistry

Answer 2

compounds with carbon

Question 3

inorganic chemistry

Answer 3

compounds without carbon

Question 4

physical chemistry

Answer 4

energy imbued in reactions

Question 5

analytical chemistry

Answer 5

what compounds are made of

Question 6

biochemistry

Answer 6

the chemistry of life

Question 7

theoretical chemistry

Answer 7

thinking about compounds

Question 8

volume

Answer 8

takes up space

Question 9

mass

Answer 9

amount of matter

Question 10

matter

Answer 10

stuff that takes up volume

Question 11

weight

Answer 11

pull of gravity in your matter

Question 12

extensive

Answer 12

depends on amount of matter, volume + mass

Question 13

intensive

Answer 13

doesn’t depend on amount of matter => melting point => density = mass/ volume

Question 14

physical

Answer 14

observe without chemical change, by boiling point

Question 15

chemical

Answer 15

only observe a chemical change by boiling by rusting

Question 16

what are the four matter types

Answer 16

liquid, solid, gaseous, and plasma

Question 17

homogeneous mixture

Answer 17

mixture is the same throughout

Question 18

heterogeneous mixture

Answer 18

mixture is different throughout

Question 19

metals

Answer 19

most of the table, shiny, malleable, ductile, conductor

Question 20

what can a conductor conduct

Answer 20

electricity and heat

Question 21

nonmetals

Answer 21

right side of the table, dull, non conductor

Question 22

metalloids

Answer 22

semi conductor, only 6 of them

Question 23

horizontal rows

Answer 23

periods, dull

Question 24

vertical columns

Answer 24

groups/families - shiny, malleable, ductile, conductors, high tensile strength

Question 25

precision

Answer 25

how close you are to a point

Question 26

accurate

Answer 26

how close you are to being right

Question 27

how many sig figs does 312 have

Answer 27

3 sf

Question 28

how many sig figs does .002000 have

Answer 28

4 sf

Question 29

how many sif gigs does 300 have

Answer 29

1 sf

Question 30

how many sif gigs does 300. have

Answer 30

3 sf

Question 31

how many sif gigs does 4000 have

Answer 31

1 sf

Question 32

how many sig figs does .0000002 have

Answer 32

1 sf

Question 33

Tera

Answer 33

T and 10 to 12

Question 34

Giga

Answer 34

G 10 to the 9th

Question 35

Mega

Answer 35

M. 10 to the 6th

Question 36

Kilo

Answer 36

k. 10 to the 3rd

Question 37

Hecto

Answer 37

h 10 to the 2

Question 38

Deka

Answer 38

da. 10 to the 1st

Question 39

Deci

Answer 39

d. 10 to the -1st

Question 40

Centi

Answer 40

c. 10 to -2

Question 41

Milli

Answer 41

m. 10 to -3

Question 42

Micro

Answer 42

μ. 10 to -6

Question 43

Nano

Answer 43

N. 10 to -9

Question 44

Pico

Answer 44

p. 10 to -12

Question 45

Femto

Answer 45

f. 10 to -15

Question 46

Atto

Answer 46

a. 10 to -18