vocabulary Flashcards
Chemistry
the branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change
Matter
Particles that can take form of any state and go through the five phase changes
Extensive Property
covering or affecting a large area.
Intensive Property
concentrated on a single area or subject
Mass
a coherent, typically large body of matter with no definite shape
Volume
the amount of space that a substance or object occupies, or that is enclosed within a container, especially when great.
Physical Property
the amount of space that a substance or object occupies, or that is enclosed within a container, especially when great.
Physical Change
a usually reversible change in the physical properties of a substance, as size or shape
Chemical Change
a usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition, resulting in the formation of at least one new substance
Chemical Property
property or characteristic of a substance that is observed during a reaction in which the chemical composition or identity of the substance is changed
Phases of Matter
solid, liquid, gas
Solid
A harden definite substance
Liquid
A substance that flows freely and can be changed back into solid or change into gas
Gas
Lose particles that move about freely in any space available
Freezing
To solidify a liquid in cold temperatures
Melting
to become liquefied by warmth or heat, as ice, snow, butter, or metal.
Vaporization
visible exhalation, as fog, mist, steam, smoke, or noxious gas, diffused through or suspended in the air
Condensation
Being more dense
Sublimation
The process of a solidified substance becoming a liquid
Deposition
The direct solidification of a vapor by cooling; the reverse of sublimation.
substance
Any state with specific properties
Element
one of a class of substances that cannot be separated into simpler substances by chemical means.
Chemical Symbol
an abbreviation or short representation of a chemical element
Compound
substance formed by chemical union of two or more elements or ingredients in definite proportion by weight