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chemistry notes 9/27
chemistry notes
33
Chemistry
Not Applicable
09/27/2016

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Term
types of physical properties
Definition
extensive and intensive
Term
mass
Definition
the amount of matter in a substance
Term
volume
Definition
the amount of space a sample occupies
Term
length
Definition
how long a sample is.
Term
primary extensive factors
Definition
mass, volume, length
Term
secondary extensive factors
Definition
moles, energy, number of particles
Term
mole
Definition
a measurement of the AMOUNT of matter
Term
energy
Definition
directly related to its SIZE
Term
number of particles
Definition
directly related to GRAMS & MOLES
Term
MVL MEN
Definition
Mass, Volume, Length, Moles, Energy, Number of Particles
Term
IS density extensive or intensive?
Definition
intensive- because it is the relationship between its mass and volume
Term
Is temperature extensive or intensive?
Definition
intensive - it depends on the surroundings not size
Term
Is magnetism extensive or intensive?
Definition
intensive because they are always drawn to the magnet no matter their size.
Term
what elements are ferromagnetic
Definition
iron, cobalt and nickel
Term
iron triad
Definition
iron cobalt nickel- can be turned into permanent magnets
Term
two types of pure substances
Definition
elements and compounds
Term
simplest substances
Definition
elements
Term
elements are made up of what type of particles
Definition
atoms
Term
How are elements identified?
Definition
atomic numbers
Term
How are compounds formed?
Definition
when elements are chemically bonded in a definite ratio
Term
How are compounds separated?
Definition
through chemical reactions
Term
What do ionic compounds consist of
Definition
sodium chloride and salt crystals
Term
How are mixtures formed?
Definition
when substances are placed together which will not chemically react
Term
How are mixtures separated?
Definition
physical properties
Term
What do mixtures DO NOT have?
Definition
a definite ratio
Term
aqueous solutions
Definition
formed when solutes are dissolved in water
Term
alloys
Definition
when metals are evenly mixed together
Term
gaseous solutions
Definition
formed when gases mix together
Term
what happens to metals before they are mixed
Definition
they must be melted (Molten)
Term
is melting a physical or chemical change
Definition
physical
Term
which elements can be made into magnets
Definition
iron, cobalt, nickel
Term
distillation
Definition
used to separate a liquid from a homogeneous mixture based on differences in coiling point
Term
miscible
Definition
liquids that can be mixed together (must be both polar or both nonpolar)
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