Shared Flashcard Set

Details

Intro to chem
Vocabulary for first 3 weeks of class
16
Chemistry
11th Grade
09/21/2012

Additional Chemistry Flashcards

 


 

Cards

Term
Matter
Definition
Whatever occupies space and can be perceived by our senses
Term
The law of conservation of mass
Definition
The total mass remains constant during a chemical change
Term
Physical change
Definition
A change in the form of matter but not its chemical identity
Term
Chemical change/reaction
Definition
A change in which one or more kinds of matter are transformed into new matter
Term
Physical property
Definition
A characteristic the can be observed without changing its chemical identity
Term
Chemical property
Definition
A characteristic of a material involving its chemical change
Term
Substance
Definition
A kind of matter that cannot be separated into other kinds of matter by any physical process
Term
Element
Definition
A substance that cannot be decomposed by any chemical reaction into a simpler substance
Term
Compound
Definition
A substance made up of two or more elements chemically combined
Term
Law of definite proportions
Definition
A pure compound, whatever its source, always contains definite proportions of the elements by mass
Term
Mixture
Definition
A material that can be separated by physical means
Term
Heterogeneous
Definition
Each part of the mixture can be differentiated from one another
Term
Homogeneous (solution)
Definition
A mixture that is uniform in its properties throughout given samples
Term
Sig. Figs
Definition
The digits in a measured number that are certain, plus one have some uncertainty
Term
Density
Definition
Mass per unit of volume
Term
Dimensional analysis
Definition
A conversion method from one unit to another
Supporting users have an ad free experience!