Shared Flashcard Set

Details

Chemistry Part Unoo(;
my first set of chemistry flash cardss(:
40
Chemistry
8th Grade
08/23/2011

Additional Chemistry Flashcards

 


 

Cards

Term

mass

Definition

the amount of matter that something is made of

Term

volume

Definition

the amount of space that something occupies or the amount of space that something contains

Term
density
Definition
the amount of matter in a given space; mass/volume = density; m/v=d
Term
solids
Definition
the state in which matter has a definite shape and volume
Term
liquids
Definition
the state in which matter takes the shape of its container and has a definite volume
Term
gases
Definition
the state in which matter changes in both shape and volume
Term
plasma
Definition
the state of matter that does not have a definite shape or volume and whose particles have broken apart; ___ is composed of electrons and positively charged ions
Term
freezing
Definition
the change of state from a liquid to a solid
Term
melting
Definition
the change of state from a solid to a liquid
Term
vaporization
Definition
the change of state from a liquid to a gas; includes boiling and evaporation
Term
condensation
Definition
the change of state from a gas to a liquid
Term
sublimation
Definition
the change of state from a solid directly into a gas
Term
chemical property
Definition
a property of matter that describes a substance based on its ability to change into a new substance with different properties
Term
physical property
Definition
a property of matter that can be observed to measured without changing the identity of the matter
Term
matter
Definition
anything that has volume and mass
Term
meniscus
Definition
the curve at a liquids surface by which you measure the volume of a liquid
Term
gravity
Definition
a force of attraction between objects that is due to their masses
Term
weight
Definition
a measure of gravitational force exerted on an object, usually by the Earth
Term
newton
Definition
(N) the SI unit of force
Term
inertia
Definition
the tendency of all objects to resist any change in motion
Term
malleability
Definition
the ability of a substance to be pounded into thin sheets
Term
ductility
Definition
the ability of a substance to be drawn or pulled into a wire
Term
reactivity
Definition
when 2 substances combine, something happens
Term
flammability
Definition
ability to burn
Term
endothermic
Definition
the term used to describe a physical or a chemical change in which energy is absorbs
Term
exothermic
Definition
the term used to describe a physical or a chemical change in which energy is released to removed
Term
evaporation
Definition
vaporization that occurs at the surface of a liquid below its boiling point
Term
melting point
Definition
the temperature at which a substance changes from a solid to a liquid
Term
freezing point
Definition
the temperature at which a substance changes from a liquid to a solid
Term
boiling point
Definition
the temperature at which a substance changing from a liquid to a gas
Term
law of conservation of a mass
Definition
the law that states that mass is neither created nor destroyed in ordinary physical and chemical changes
Term
substance
Definition
a formation of matter
Term
pure substance
Definition
a substance in which there is only one type of particle; includes elements and compounds
Term
elements
Definition
a pure substance that cannot be separated or broken down into simpler substances by physical or chemical change
Term
compounds
Definition
a pure substance of 2 or more elements that are chemically combined
Term
mixtures
Definition
a combanation of 2 or more elements that are chemically combined
Term
solution
Definition
a mixture that appears to be a single substance , but is composed of particals of 2 or more substances that are distributed even amungst eachother
Term
solute
Definition
a substance that is dissolved in a substance
Term
solvent
Definition
the substance in which the solute is disolved in to create a new substance
Term
solubility
Definition
the ability to dissolve in another substance
Supporting users have an ad free experience!