Introduction to Chemistry
Scientific Method
Units
Prefixes With SI Units
Precision, Accuracy, and Uncertainty
100
anything that has space and occupies mass
What is mass
100
The process researchers use to carry out their experiments.
What is the scientific method?
100
kg
What is the SI unit for mass
100
da
What is the symbol for deka
100
the reliabilty of a measurement?
What is precision?
200
mass/volume
What is the formula for density?
200
observing
What is the first stage of the scientific method?
200
meter
What is the SI unit for length?
200
h
What is the symbol for hector
200
how close a measurement is to it's known or accepted value.
What is accuracy?
300
Compounds are made by combining atoms of two or more elements in definite porportions by mass.
What is the Law of Definite Composition?
300
quantitative or qualitative
What are the two kinds of observations?
300
second
What is the SI unit for second
300
n
What is the symbol for nano
300
the limitation of the measuring instrument and the person doing the measuring
What are 2 factors that uncertainty is dependent upon?
400
Does not alter the identity of the substance
What is a physical change?
400
the metric system
What is the SI system?
400
ampere
What is the SI unit for electric current
400
f
What is the symbol for femto?
400
the bottom of the meniscus
Where do you look when taking the reading for the volume of a substance using a graduated cylinder
500
Light, sound, and heat.
What are some forms of energy?
500
7
How many basic units can be used to express the fundamental properties of measurements?
500
candela
What is the SI unit for luminosity?
500
a
What is the symbol for atto
500
34.3
What is a good estimation of a meniscus that is between 34 and 35
M
e
n
u