Classes of Matter
Combinations of Atoms
SI units, Metric System and Significant Figures
Properties
Phases
100
Anything that has mass and occupies space.
What is Matter?
100
The smallest unit of an element.
What is an atom?
100
The SI unit of length.
What is a meter?
100
They can be observed and measured without changing the substance into another substance (e.g., melting point).
What are physical properties?
100
The phase corresponding to indefinite shape and indefinite volume.
What is the gas phase?
200
What are the two types of pure substances?
The two types are Elements and Compounds.
200
It gives the symbols of the elements with subscripts that indicate the proportions of the elements present.
What is a Chemical Formula?
200
kilo (k) and milli (m) are different by this amount.
What is 10^6 (or 10^-6)?
200
Of physical or chemical, the type of property illustrated by "Wood is light enough that it float on water".
What is a physical property?
200
The phase corresponding to indefinite shape but definite volume.
What is the liquid phase?
300
What are the two different types of substances?
The two types are Pure Substances and Mixtures.
300
It is a formula that shows the bonding arrangement in a molecule.
What is a structural formula?
300
The number of significant figures in 0.04054
What is 4?
300
Of Intensive and Extensive, density is an example of this type of property.
What is intensive?
300
The name of the phase change from solid to liquid.
What is melting (or fusion)?
400
Air is this specific type of substance.
What is a homogeneous mixture?
400
The acronym for it is COAST.
What is Collect & Organize, Analyze, Solve, Think about it?
400
Of exact or inexact, the type of number corresponding to a stopwatch measurement of 56.00 s.
What is inexact?
400
The definition of an intensive property.
What is "does not depend upon the amount of the substance present"?
400
The name of the phase change from gas to liquid.
What is condensation?
500
Of elements, compounds, pure substances, homogeneous mixtures and heterogeneous mixtures, the ones to which carbon monoxide (CO) belongs.
What are compounds and pure substances?
500
An example of molecule that is not a compound.
What is O2? (or N2 or H2 or F2 or Cl2 or Br2 or I2 or O3 or P4 or S8 - any combination of two or more atoms of the same element held together by covalent bonds).
500
0.0063 expressed in scientific notation.
What is 6.3*10^-3 ?
500
Of physical or chemical, the property type illustrated by iron reacting with oxygen to produce rust.
What is a chemical property?
500
The definition of sublimation.
What is the phase change from solid to gas?
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