Module I Flashcards
Extensive property
A property that depends on how much matter you have
Intensive property
A property that does not depend on its quantity
Absolute error =
Measured value - True value
Relative error =
Absolute error / True value
What is absolute error?
The difference between a measured value and a true value
What is relative error?
The proportion of the absolute error relative to the measured value
Standard state of metals
Solid (except for mercury, a liquid)
Standard state of nonmetals
Solid
Standard state of diatomic nonmetals
Gas
Exceptions to diatomic nonmetal standard states
Iodine (solid) and Bromine (liquid)
Standard state of phosphorus
P4(s)
Standard state of sulfur
S8(s)
Precision
How closely clustered together the measurements are
Accuracy
How close to the true value the measurement is
Deuterium
Special isotope of hydrogen (1p + 1n)