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Metric System
Metric & Standard Measurement Systems
International System of Units (SI)
Base Units
| Base quantity |
Name |
Symbol |
|
length |
meter |
m |
|
mass |
kilogram |
kg |
|
time |
second |
s |
|
electric current |
ampere |
A |
|
thermodynamic temperature |
kelvin |
K |
|
amount of substance |
mole |
mol |
|
luminous intensity |
candela |
cd |
|
Derived Units
| Derived quantity |
Name |
Symbol |
| area |
square meter |
m2 |
| volume |
cubic meter |
m3 |
| speed, velocity |
meter per second |
m/s |
| acceleration |
meter per second squared |
m/s2 |
| wave number |
reciprocal meter |
m-1 |
| mass density |
kilogram per cubic meter |
kg/m3 |
| specific volume |
cubic meter per kilogram |
m3/kg |
| current density |
ampere per square meter |
A/m2 |
| magnetic field strength |
ampere per meter |
A/m |
| amount-of-substance concentration |
mole per cubic meter |
mol/m3 |
| luminance |
candela per square meter |
cd/m2 |
| mass fraction |
kilogram per kilogram, which may be represented by the
number 1 |
kg/kg = 1 |
 Chemical Demonstration Videos |
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