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73 Cards in this Set

  • Front
  • Back
Matter
Anything that has mass and takes up space
Pure Substance
Compounds and elements (Formula)
Mixture
Two or more substances mixed in the same container but are not bonded
Three states of matter
Solid Liquid Gas
Condensation
Gas to liquid
Vaporization (Boiling or Evaporation)
Liquid to gas
Deposition
Gas to solid
Sublimation
Solid to gas
Freezing
Liquid to solid
Melting
Solid to liquid
Diatomic Elements
Elements that travel in pairs [ O². N², F² ]
Homogeneous Mixture
The same throughout. Each sample contains the same ratio of ingredients
Heterogeneous Mixture
Different throughout. Each sample contains a different ratio of ingredients.
Different ways to separate a mixture
By hand, magnetism, centrifuge, density, evaporation, filtration, chromatography, and distillation
Observations
The facts.. what you see
Interpretations
Your opinion of what you see
Qualitative
Observations without numbers
Quantitative
Observations with numbers
Reactant
Left side of chemical equation
Product
Right side of chemical equation
Precipitate
Solid formed from two aqueous solutions
Enzyme
Catalyst in living systems
Organic
Including carbon
Inorganic
not including carbon
Four signs of a chemical change
Precipitate formed, gas released, energy released, color change
Hydrocarbon
anything with H and C in it
Dmitri Mendeleev
Created the first correct periodic table
Exothermic
Anything that gives off heat
Endothermic
Anything that takes in heat
Solution
Homogeneous mixture
Sucrose
C12H22O11
Glucose
C6H12O6
Methane
CH4
Oxygen
O2
Water
H2O
Table Salt
NaCl
Extensive properties
Properties that depend on size
Intensive Properties
Properties that do not depend on size
Noble Gases
Column 18 on periodic table
Nonmetals
Right side of staircase
Alkaline earth metals
column two on periodic table
Alkali metals
Under hydrogen on column one of periodic table
Groups or families
a column
Periods
a row
Metals
To left of staircase
Metalloids or semimetals
B, Si, Ge, As, Sb, Te
Transition metals
Groups 3-12
Lanthanide series
57-70 on periodic table
Actinide series
89-102 on periodic table
Halogens
Group 17
Distillation apparatus
Used to separate pure substances with known boiling points from a mixture
Four types of chemistry
Physical, analytic, Biochemistry, theoretical
Branches of chemistry
Organic, Inorganic, Analytic, Physical,
Hoffman apparatus
Apparatus used to electrolize water
Chemistry
The study of the composition, structure, and properties of matter, the processes that matter undergoes, and the energy changes that accompany these processes.
Chemical
Any substance that has a definite composition
Basic research
For the sake of increasing knowledge, such as why and how a specific reaction occurs and what the properties of a substance are
Applied research
Carried out to solve a problem.
Technological Development
Involves the production and use of products that improve our quality of life.
Atom
The smallest unit of an element that maintains the chemical identity of that element
Element
A pure substance that cannot be broken down into simpler, stable substances and i
Physical property
A characteristic that can be observed or measured without changing the identity of the substance.
Physical change
A change in a substance that does not involve a change in the identity of the substance
Plasma
A high temperature physical state of matter in which atoms lose most of their electrons, particles that make up atoms.
Change of state
A physical change of a substance from one state to another.
Solid
Has a definite shape and definite volume.
Liquid
Has a definite volume but an indefinite shape
Gas
Neither definite volume or shape
Mallebility
Ability to be hammered or rolled into sheets
Ductile
Ability to be drawn into a fine wire
Tensile strength
The ability to resist breaking when pulled
Why are Stradivarius violins different?
Wood soaked in sea water and covered in a different varnish
Catalyst
A substance that changes the rate of a chemical reaction without being consumed or changed significantly.