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22 Cards in this Set
- Front
- Back
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Study of most carbon-containing compounds
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Organic chemistry
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Study of all substances not classified as organic, mainly those compounds that do not contain carbon
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Inorganic chemistry
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The study of the properties and changes of matter and their relation to energy
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Physical chemistry
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The identification of the components and composition of materials
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Analytical chemistry
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Study of substances and processes occurring in living things
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Biochemistry
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Use of math and computers to understand the principles behind observed chemical behavior and to design and predict the properties of new compounds
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Theoretical chemistry
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Anything that has mass and takes up space
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What is matter?
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Extensive- depend on the amount of matter that is present(ex. The mass,volume, amount of energy in a substance)
Intensive- do not depend on the amount of matter present(ex. The melting point or ability to conduct heat) |
Explain extensive and intensive physical properties. Give examples.
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Solid, liquid, and gas
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What are the states of matter?
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Solid
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Matter in the ______ state has a definite volume and an definite shape.
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Liquid
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Matter in the ____ state has a definite volume but an indefinite shape.
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Gas
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Matter in the ____ state has neither definite volume nor definite shape.
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A blend of two or more kind of matter, each of which retains its own identity and properties
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What is a mixture?
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Basic research- done to gain knowledge
Applied research-done to solve a problem Technological development- productions and use of products to improve quality of life |
Explain the types of research in chemistry.
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Chemical properties-relates to the substances ability to undergo changes that transforms it into a different substance.
Physical - a characteristic that can be observed or measured without changing the identity of the substance |
What are chemical and physical properties?
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A way of organizing elements into a table with groups based on similar chemical properties
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What is the periodic table?
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Groups- vertical columns on the periodic table
Periods- horizontal rows |
What are groups and periods?
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Metals- element that is a good conductor of heat and electricity
Nonmetal- poor conductor of heat and electricity |
Nonmetals and metals?
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Metals are on the left and nonmetals are on the right.
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How are metals and nonmetals arranged on the periodic table?
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Elements in group 18
Generally unreactive Gases at room temperature |
What are noble gases?
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An element that has some characteristics of metals and some characteristics of nonmetals
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What is a metalloid?
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Homogeneous- two substances mixed together evenly(koolaid)
Pure substance- can be element or compound; same throughout and does not vary from sample to sample ONE SUBSTANCE (hydrogen) |
Pure substance vs homogeneous mixture
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