Chem I - Chapter 2 - Vocab

Front 1

the closeness of measurements to the correct or accepted value of the quantity measured

Back 1

accuracy

Front 2

a ratio derived formt he equality between two diff units that can be used to convert from one unit to the other

Back 2

conversion factor

Front 3

the ration of mass to volum or mass divided by volume

Back 3

density

Front 4

a unit that's a combination of SI base units

Back 4

derived unit

Front 5

a testable statement

Back 5

hypothesis

Front 6

an explanation of how phenomena occur and how data or events are related

Back 6

model

Front 7

the closeness of a set of measurements of the same quantity made in the same way

Back 7

precision

Front 8

something that has magnitude, size, or amnt

Back 8

quantity

Front 9

a logical approach to solving problems by observing and collecting data, formulating hypotheses, testing hypotheses, and formulation theories that are supported by data

Back 9

scientific metho

Front 10

the measurement system accepted worldwide

Back 10

SI

Front 11

any digit in a measurement that is known with certainty plus one final digit, which is somewhat uncertain or is estimated

Back 11

sig. fig.

Front 12

a specific portion of matter in a given region of space that has been selected for study during an experiment or observation

Back 12

system

Front 13

a broad generalization that explains a body of facts or phenomena

Back 13

theory

Front 14

the amnt of space occupied by an object

Back 14

volume

Front 15

Two quantities that give a constant value wen one is divided by another

Back 15

Direct proportion

Front 16

When one increases th othr increases

Back 16

Directly proportional

Front 17

Two quantities tht have a constant mathematical product

Back 17

Inverse proportion

Front 18

Wen one increases th othr decreases

Back 18

Inversely proportional

Front 19

1,000,000
10(6)

Back 19

Mega

Front 20

Mega

Back 20

M

Front 21

1,000
10(3)

Back 21

Kilo

Front 22

Kilo

Back 22

k

Front 23

100
10(2)

Back 23

Hecto

Front 24

Hecto

Back 24

h

Front 25

10
10(1)

Back 25

Deka

Front 26

Deka

Back 26

da

Front 27

1
10(0)

Back 27

Base unit

Front 28

Base units

Back 28

Meter (m)
Liter (L)
Gram (g)

Front 29

.1
10(-1)

Back 29

Deci

Front 30

Deci

Back 30

d

Front 31

.01
10(-2)

Back 31

Centi

Front 32

Centi

Back 32

c

Front 33

.001
10(-3)

Back 33

Milli

Front 34

Milli

Back 34

m

Front 35

.000,001
10(-6)

Back 35

Micro

Front 36

Micro

Back 36

u (with squiggly left tail)

Front 37

.000,000,001
10(-9)

Back 37

Nano

Front 38

Nano

Back 38

n

Front 39

Mass
Si unit
Instrument

Back 39

Kilogram (kg)
Balance

Front 40

Length
Si unit
Instrument

Back 40

Meter (m)
Ruler/meter stick

Front 41

Time
Si unit
Instrumemt

Back 41

Second (s)
Stop watch/clock

Front 42

Temperature
Si unit
Instrumemt

Back 42

Kelvin (K)
Thermometer

Front 43

Weight
Derived si unit
Instrument

Back 43

Newton (N) =kg x m/s(2)
Spring scale

Front 44

Volume
Derived si unit
Instrument

Non si unit
Instrument

Back 44

Cubic meters (m(3))
Meter stick and ruler

Liter (L)
Volumetric flask and graduated cylinder

Front 45

1mL = _ cm(3)

Back 45

1

Front 46

Density
Derived si unit

Back 46

Kg per cm(3)