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Honors Chemistry Ch. 1-2
Mr. Mylin's Honors Chemistry
73
Chemistry
10th Grade
08/28/2012

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Term
Organic Chemistry
Definition
The study of most carbon-containing compounds
Term
Inorganic Chemistry
Definition
The study of nonorganic substances, many of which have organic fragments bonded to metals (organometallics)
Term
Physical Chemistry
Definition
The study of properties and changes of matter and their relation to energy.
Term
Analytical Chemistry
Definition
The identification of the components and composition of materials.
Term
Biochemistry
Definition
The study of substances and processes occurring in living things
Term
Theoretical Chemistry
Definition
The use of math and computers to understand the principles behind observed chemical behavior and to design and predict the properties of new compounds.
Term
Basic research, applied research, or technological research?

A laboratory in a major university surveys all the reactions involving bromine.
Definition
Basic Research
Term
Basic research, applied research, or technological research?

A pharmaceutical company explores a disease in order to produce a better medicine.
Definition
Technological and/or applied research
Term
Basic research, applied research, or technological research?

A scientists investigates the cause of the ozone hole to find a way to stop the loss of the ozone layer.
Definition
Applied Research
Term
Basic research, applied research, or technological research?

A pharmaceutical company discovers a more efficient method of producing a drug.
Definition
Technological and/or applied research
Term
Basic research, applied research, or technological research?

A chemical company develops a new biodegradable plastic.
Definition
Technological and/or applied research
Term
Basic research, applied research, or technological research?

A laboratory explores the use of ozone to inactivate bacteria in a drinking-water system
Definition
Applied research
Term
Microstructures
Definition
Things too tiny to be seen with the unaided eye
Term
Chemical
Definition
Any substance that has a definite composition
Term
Chemistry
Definition
The study of the composition, structure, and properties of matter, the process that matter undergoes, and the energy changes that accompany these processes.
Term
Heterogeneous or homogeneous?

Iron ore
Definition
Heterogeneous
Term
Heterogeneous or homogeneous?

Quartz
Definition
Homogeneous
Term
Heterogeneous or homogeneous?

Granite
Definition
Heterogeneous
Term
Heterogeneous or homogeneous?

Energy drink
Definition
Homogeneous
Term
Heterogeneous or homogeneous?

Oil-and-vinegar dressing
Definition
Heterogeneous
Term
Heterogeneous or homogeneous?

Salt
Definition
Homogeneous
Term
Heterogeneous or homogeneous?

Rainwater
Definition
Homogeneous
Term
Heterogeneous or homogeneous?

Nitrogen
Definition
Homogeneous
Term
Atom
Definition
The smallest unit of an element that maintains the chemical identity of that element.
Term
Compound
Definition
Made of two or more chemically bonded elements
Term
How is energy involved in chemical and physical changes?
Definition
Heat/other forms of energy change the physical appearance or chemical composition of an object, but energy is not lost or gained; it just assumes a new form (law of conservation of energy).
Term
A horizontal row of elements in a periodic table is called a
Definition
Period.
Term
Elements that are good conductors of heat and electricity are
Definition
Metals.
Term
Elements that are poor conductors of heat and energy are
Definition
Nonmetals.
Term
A vertical column of elements in the periodic table is called a
Definition
Group or family.
Term
The ability of a substance to be hammered or rolled into thin sheets is called
Definition
Malleability.
Term
Is an element that is soft and easy to cut cleanly w/a knife likely to be a nonmetal or metal?
Definition
Metal
Term
The elements in Group 18 are called
Definition
noble gases.
Term
At room temperature, most metals are
Definition
Solid.
Term
What do the elements of the same group in the periodic table have in common?
Definition
Similar chemical properties
Term
What is the difference between a family of elements and elements in the same period?
Definition
A family of elements are the elements in the same column whereas elements in the same period are in the same row.
Term
Heterogeneous or homogeneous?

Sugar
Definition
Homogeneous
Term
Heterogeneous or homogeneous?

Iron fillings
Definition
Homogeneous
Term
Heterogeneous or homogeneous?

Plastic Wrap
Definition
Homogeneous
Term
Heterogeneous or homogeneous?

Cement sidewalk
Definition
Heterogeneous
Term
Select the most appropriate branch of chemistry from organic, analytical, biochemistry, and theoretical chemistry

A forensic scientist uses chemistry to find information at the scene of a crime.
Definition
Analytical Chemistry
Term
Select the most appropriate branch of chemistry from organic, analytical, biochemistry, and theoretical chemistry

A scientist uses a computer model to see how an enzyme will function.
Definition
Biochemistry or Theoretical Chemistry
Term
Select the most appropriate branch of chemistry from organic, analytical, biochemistry, and theoretical chemistry

A professor explores the reactions that take place in a human liver
Definition
Biochemistry
Term
Select the most appropriate branch of chemistry from organic, analytical, biochemistry, and theoretical chemistry

An oil company scientist tries to design a better gasoline.
Definition
Organic Chemistry
Term
Select the most appropriate branch of chemistry from organic, analytical, biochemistry, and theoretical chemistry

An anthropologist tries to find out the nature of a substance in a mummy's wrap.
Definition
Analytical Chemistry
Term
Select the most appropriate branch of chemistry from organic, analytical, biochemistry, and theoretical chemistry

A pharmaceutical company examines the protein on a coating of a virus.
Definition
Biochemistry or Analytical Chemistry
Term
Extensive Properties
Definition
Properties that depend on the amount of matter present i.e. mass, weight, volume, etc.
Term
Intensive Properties
Definition
Properties that do NOT depend on the amount of matter present, i.e. density, chemical properties, melting point, boiling point, etc.
Term
System
Definition
A specific portion of matter in a given region of space that has been selected for study during an experiment or observation.
Term
Hypothesis
Definition
A testable statement.
Term
Model
Definition
An explanation of how phenomena occur and how data or events are related. May be visual, verbal, or mathematical.
Term
Theory
Definition
A broad generalization that explains a body of facts or phenomena.
Term
Quantity
Definition
Something that has magnitude, size, or amount; not the same as a measurement.
Term
SI
Definition
Le Systeme International d'Unites; adopted by the General Conference on Weights and Measures commonly used by all chemists.
Term
Tera-
Definition
Abbreviation: T
Exponential Factor: 10^12
Term
Giga
Definition
Unit abbreviation: G
Exponential Factor: 10^9
Term
Mega-
Definition
Unit abbreviation: M
Exponential factor: 10^6
Term
Micro
Definition

Unit abbreviation:  μ

Exponential factor:  10^-6

Term
Nano
Definition
Unit abbreviation: n
Exponential factor: 10^-9
Term
Pico
Definition
Unit abbreviation: p
Exponential factor: 10^-12
Term
Derived units
Definition
Combinations of SI base units

Ex: units squared/cubed, density, kg/mol (molar mass), joule
Term
Conversion factor
Definition
A ratio derived from the equality between two different units that can be used to convert from one unit to the other. ALL conversion factors equal ONE.
Term
Dimensional Analysis
Definition
A mathematical technique that allows you to use units to solve problems involving measurements.
Term
Accuracy
Definition
The closeness of measurements to the correct or accepted value of the quantity measured.
Term
Precision
Definition
The closeness of a set of measurements of the same quantity made in the same way.
Term
Percentage Error
Definition
Calculated by subtracting the accepted value from the experimental value, dividing the difference by the accepted value, and then multiplying by 100.
Term
Significant figures
Definition
Consists of all the digits known w/certainty plus one final digit.
Term
Directly Proportional
Definition
Two quantities are directly proportional if dividing one by the other gives a constant value.
Term
Equations for Direct Proportions
Definition
y/x=k

y=kx
Term
Direct Proportions form which kind of line on a graph?
Definition
Straight
Term
Inversely Proportional
Definition
Two quantities are inversely proportional to each other if their product is constant.
Term
Equation for Inverse Proportions
Definition
xy=k
Term
Inverse Proportions form which kind of line on a graph?
Definition
Hyperbola; curved line
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