the study of composition of matter and the changes that matter undergoes
anything that has mass and occupies space
study of all chemicals containing carbon
study of chemicals that do not contain carbon
study that takes place in organisms
the study that focuses on the composition of matter
deals with the mechanism, the rate, and the energy transfer that occurs when matter undergoes a change
the pursuit of chemical knowledge for its own sake
research that is directed towards a practical goal or application
produced nylon while researching cotton and silk
which society provides its members with those things needed and desired
an organized tangle that are hooks and loop tapes used as fasteners for shoes and gloves
large enough items that can be seen without aided items
items that can be seen only with a microscope
won a Nobel prize with a team that isolated penicillin
stops the outbreak of bacteria
a person who developed tools and techniques for working with chemicals
Antoine Laurent Lavoisier
designed a balance that could measure mass to the nearest 0.0005 grams.
a logical, systematic approach to the solution of a scientific problem
a well tested explanation for a broad set of observations
a concise statement that summarizes the results of many observations and experiments
is a property that depends on the amount of matter in a sample.
is a property that depends on the type of matter in a sample, not the amount of matter.
a measure of the amount of matter the object contains
a measure of the space occupied by the objects
a property that depends on the amount of matter in a sample
a property that depends on the type of matter in a sample, not the amount of matter
matter that has a uniform and definite composition
a quality or condition of a substance that can be observed or measured without changing the substance's composition
a form of matter that has a definite shape and volume
a form of matter that has indefinite shape, flows, yet has a fixed volume.
a form of matter that takes both the shape and volume of its container
describes the gaseous state of a substance that is generally a liquid or solid at room temperature.
some properties of a material change, but the composition of the material does not change
a physical blend of two or more components
a mixture in which the composition is not uniform throughout
a mixture in which the composition is uniform throughout
another name for a homogeneous mixture
used to describe any part of a sample with uniform composition and properties
the process that separates a solid from the liquid in a heterogeneous mixture
a liquid is boiled to produce a vapor that is then condensed into liquid
the simplest form of matter that has a unique set of properties
a substance that contains two or more elements chemically combined in a fixed proportion.
a change that produces matter with a different composition than the original matter
each element is represented by a one or two letter symbol
the ability of a substance to undergo a specific chemical change
one or more substances change into one or more new substances
a substance present at the start of the reaction
a substance produced in the reaction
a solid that forms and settles out of a liquid mixture
Law of conservation of mass
states that in any physical change or chemical reaction, mass is conserved.