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Vocab
Units of Measurement
SciNot and SigFigs
Element, Compound, Mixture???
Everything!
100
Anything that has mass and takes up space.
What is matter?
100
Volume.
What is a cubic meter?
100
How many sigfigs: 0.00045
What is 2?
100
Gold.
What is an element?
100
Density of an object with m= 5g, v=2ml.
What is 2.5g/ml?
200
Physical blend of two or more substances that is uniform in composition; a solution.
What is a homogenous mixture?
200
Length, x1000
What is a kilometer?
200
Write in scientific notation: 75678
What is 7.5678 x 10^4
200
Salad.
What is a heterogenous mixture?
200
20 degrees Celsius, in Kelvins.
What is 293 degrees K?
300
Simplest form of matter that can exist under normal laboratory conditions.
What is an element?
300
g/cm^3
What is density?
300
4.2 x 10^-7
What is 0.00000042?
300
(Pure) water.
What is a compound?
300
Known measurement: 97 degrees Celsius. Your measurement: 93 degrees Celsius. What is the error?
What is -4 degrees Celsius?
400
When one or more substances change into new substances.
What is a chemical reaction?
400
Temperature (both), and at what temperature does water freeze.
What is Celsius (0 degrees), Kelvin (273 degrees).
400
10 x 423, with correct sigfigs, in scientific notation.
What is 4000?
400
Salt water.
What is a solution (homogenous mixture)?
400
The measurement that will change based on gravity (whether you are on Earth or on the moon).
What is weight?
500
The ability of a substance to undergo a chemical reaction and form a new substance.
What is a chemical property?
500
Specific Gravity.
What is no units! (g/cm^3 / g/cm^3)
500
0.5 + 25.31 + 80.05678, with correct sigfigs, in scientific notation.
What is 1.059 x 10^2?
500
Carbon dioxide (and write out the chemical name)
What is CO2?
500
The measurements that will change based on temperature (there are two).
What is Volume, what is Density?