Chem H Metric Notes Flashcards
(15 cards)
0
Q
In America we use
A
The English system
1
Q
All measurements must have…
A
A number and a unit
2
Q
Everybody else uses
A
International System of units (SI UNITS)
3
Q
SI Mass
A
Kilogram kg
4
Q
SI Length
A
Meter. M
5
Q
Time SI Unit
A
Second s
6
Q
Quantity SI Unit
A
Mole mol
7
Q
Temperature SI Unit
A
Kelvin k
8
Q
SI Unit electric current
A
Amphere a
9
Q
SI Unit luminous intensity
A
Candela cd
10
Q
NON SI Units
A
Commonly used units that are not derived from is base units ex Celsius and liters
11
Q
Derived si units
A
Combination of si units ex g/cmsquared msquared
12
Q
What makes si units smaller or larger by a factor of 10, attached to the front of the base unit
A
Prefixes
13
Q
How do you write a measurement from an instrument
A
Write all the digits given and then make a guess for the next digit
14
Q
% error
A
Experimental- accepted/ accepted x100
