2.3 SI units Flashcards
1
Q
SI units
A
international system of units used by chemists
2
Q
length
A
meter
3
Q
mass
A
kilogram
4
Q
volume
A
liter
5
Q
temp
A
kelvin
6
Q
time
A
second
7
Q
amt. of substance
A
mole
8
Q
kilo
A
1000x larger
9
Q
deci
A
10x smaller
10
Q
centi
A
100x smaller
11
Q
milli
A
1000x smaller
12
Q
micro
A
1000000x smaller
13
Q
what two things must be in all measurements
A
- number
- unit
14
Q
celcius
A
bsed on 100 equal divisions between 0 and 100
15
Q
kelvin
A
based on absolute 0
16
Q
convert kelvin
A
k=c+273
c=k-273
17
Q
Fahrenheit
A
180 divisions between 32 and 212
18
Q
convert farenheit
A
f=1.8(c)+32
c=(f-32)/1.8
19
Q
derived units
A
combinations of different units
