chapter 2.2: units of measurement Flashcards
1
Q
the __ _____ ______ is used by scientists all over the world
A
SI Metric System
2
Q
advantages of the SI metric system:
A
units are multiples of 10; it’s used all around the world; prefixes are common throughout the system
3
Q
prefixes (commonly used in chem):
A
kilo(k); deci(d); centi(c); milli(m); micro(u); nano(n)
4
Q
kilo(k):
A
1000 (1km=1000m)
5
Q
deci(d):
A
1/10 (10dm=1m)
6
Q
centi(c):
A
100 (100cm=1m)
7
Q
milli(m):
A
1/1000 (1000mm=1m)
8
Q
micro(u):
A
1/1,000,000 (1,000,000u=1m)
9
Q
nano(n):
A
1/1,000,000,000 (1,000,000,000nm=1m)
10
Q
SI units:
A
length; volume; mass; density; temperature
11
Q
length:
A
meter(m)
12
Q
volume:
A
the amt. of space something takes up (cubic meter m^3 or the non SI unit, the liter (L))
13
Q
the volume of a cube that is 10cm on each side:
A
1L
14
Q
1L=
A
1000cm^3
15
Q
1mL=
A
1cm^3
