Final Vocab

Chemestry
study of matter and changes
Physical Property
no change to substance material
Chemical Property
chemical change
Physical Change
no new chemical
Chemical Change
New chemical
Homogeneous Mixture
same composition not easly seperated
Heterogenious Mixture
not uniform, seperated
Product
the yeild
Reactant
substance at start
Element
cannot be broken down
compound
two or more elements
state of matter
phase at given point
solid
definate shape and volume
liquid
fixed volume, indefinate shape
gas
no definate shape or volume
vapor
gashous state, liquid or solid @ room temp
phase
uniform composition and properties
sig fig
digets known precisely
SI units
standard units
kelvin
SI for temp
density
d=m/v
accuracy
closeness to true value being mesured
presicion
closeness or reproducibility under same conditions
conservation of mass
matter not created or destroyed
proton
positive in nucleus
neutron
no charge in nucleus
electron
negetive charge no mass
subatomic particle
protron nutron electron
nucleus
center of atom
atom
smallest particle of element
daltons atomic theory
chemical change to atomic level
rutherford theory
structure of atom
atomic number
number of protons
mass number
amount of protons and nutrons
atomic mass unit
SI for atomic mass
atomic mass
average weight of all isitopes
isoptope
different weights because different # nutrons
avogadros number
6.02*10^23 particles in one mole
valance electrons
electron in highest enegry level
aufbau principle
electrons ocupy lowest level first
hunds rule
spread out electrons
octet rule
noble gas config = 8 valance
group
vertical columb
period
horisontal columb
diatomic element
element that has 2 atoms
mendeleev
increasing atomic mass
metal
good conductor of electricity
nonmetal
poor conductor of electricity
transition metal
highest occupied s sublevel and d sublevel
metalloid
prop of both metal and nonmetal
ion
group of atoms have positive or negative
anion
negative charge
cation
positive charge
polyatomic ion
group of atoms has + or –
electonegativity
attract electrons when in compound
atomic radius
1/2 distance from nuclei to nuclei  of same atom when joined
octet rule
gain or lose electrons to be noble gas
valence electron
highest enegry level in atom
electron dot diagram
structure with dots and lines
lewis structure
eleccyton dot diagram
ionic bond
opposite charge together
covalent
sharing electrons
polar
one side more charged
non-polar
equal charge throughout
metallic bond

holds metals tohether

floating valance electrons

double bond
tow atoms share two pairs of electrons
structural formula
skeleton structure
intermolecular forces
forces between molicules
dipole dipole forces
oppesetly charged polar molicules
hydrogen bonding
hydrogen bonds to electronegetive atom
resonance
electon dot strructuer that is equal
vsepr theory
shape of molicule ie bent line
law of definite proportion
mass of compounds always proportional
balanced equation
equal elements on both sides
single replacement
one element replaces element in compound
double replacement
two compounds
synthesis
new substance
decomp reaction
compound to two or more compounds
combustion reaction
reacts with oxygen
precent composition
precent by mass of each element in compound
reactant
start of reaction
product
produced
mole
6.02*10^23 particles of substance
molar mass
mass of one mole of element
theoretical yeild
amount that could form
precent yeild
acutual/theoretical
ideal gas law
PV=nRT
boyles law
PV=PV
charles law
P/T=P/T
gay lussac law
P/T=P/T
combined gas law
P1V1/T1=P2V2/T2
molar volume
22.4 L
dalton law
Pt=P1+P2
kinetic molecular theory
random, elastic, constant, insignificant mass
pressure
760torr=1atm=101.3KpA
sublimation
skip a stage of matter
vaporization
liquid to gas vapor
condensation
gas to liquid
boiling point
pressure of substance equals air pressure
normal boling point

pressure = STP

100 centigrade

melting point
0 celcius 32 ferenheight
evaporation
liquid to gas not in container
phase diagram
showing conditions for different phases
vapor pressure
gas above liquids pressure
kinetic enegry
motion
potental enegry
possible to occur
electrolyte
compound that can conduct electric current
solution
homogenious mixture
solubility
solute/solvent
solute
chemical dissolved
solvent
chemical doing dissolving
molarity
moles of solute/ litres of solution
aqueous
liquid state
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