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Midterm
review sheet
96
Chemistry
12th Grade
10/03/2016
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Term
density of water with units
 Definition
1 g/mL
Term
closeness to true value
 Definition
accuracy
Term
reproducible measurements
 Definition
precision
Term
boiling in f
 Definition
212
Term
boiling in c
 Definition
100
Term
boiling in k
 Definition
373.15
Term
freezing in f
 Definition
32
Term
freezing in c
 Definition
0
Term
freezing in k
 Definition
273.15
Term
body temp in f
 Definition
98.6
Term
body temp in c
 Definition
37
Term
body temp in k
 Definition
310
Term
abs 0 in f
 Definition
-460
Term
abs 0 in c
 Definition
-273.15
Term
abs 0 in k
 Definition
abs 0
Term
change in the form of a substance, not in chemical composition
 Definition
physical change
Term
changes a substance's composition, cannot changed back
 Definition
chemical change
Term
same throughout (ex: water)
 Definition
homogenous
Term
visibly distinguishable parts (ex: blood)
 Definition
heterogenous
Term
who derived the law of conservation of mass, father of modern chemistry, and wrote the first modern chem textbooks
 Definition
Lavoisier
Term
invented x rays
 Definition
Roentgen
Term
method for separating the components of a liquid mixture that depends on differences in the ease of vaporization of the components
 Definition
distillation
Term
exa E
 Definition
10^18
Term
peta P
 Definition
10^15
Term
tera T
 Definition
10^12
Term
giga G
 Definition
10^9
Term
mega M
 Definition
10^6
Term
kilo k
 Definition
10^3
Term
hecto h
 Definition
10^2
Term
deka da
 Definition
10
Term
deci d
 Definition
10^-1
Term
centi c
 Definition
10^-2
Term
milli m
 Definition
10^-3
Term
micro u
 Definition
10^-6
Term
nano n
 Definition
10^-9
Term
pico p
 Definition
10^-12
Term
femto f
 Definition
10^-15
Term
atto a
 Definition
10^-18
Term
substance that cannot be decomposed into simpler substances
 Definition
element
Term
substance with constant composition that can be broken down into elements by chemical processes
 Definition
compound
Term
1mL=
 Definition
1cm^3
Term
ethylene gylcol
 Definition
antifreeze
Term
length,
 Definition
meter
Term
kg
 Definition
mass
Term
second
 Definition
time
Term
ampere
 Definition
electric current
Term
kelvin
 Definition
temp
Term
andela
 Definition
luminous intensity
Term
mol
 Definition
amount of a substance
Term
who performed the old drop experiment and calculated the mass of an electron to be 9.11x10^-31kg?
 Definition
Thomson
Term
who used the gold foil experiment to discover the positively charged nucleus of the atom
 Definition
Rutherford
Term
give and take of electrons
 Definition
ionic bond
Term
sharing of electrons
 Definition
covalent bond
Term
vertical column, same valence electrons
 Definition
group
Term
horizontal elements on pt
 Definition
period
Term
atoms of same element (same protons but diff numb of neutrons)
 Definition
isotope
Term
numb of protons in nucleus of atom
 Definition
atomic number
Term
numb of protons and neutrons in nucleus
 Definition
mass number
Term
properties that do depend on the amount of the substance present (ex: mass, weight, volume, length)
 Definition
extensive physical property
Term
properties that don't depend on the amount of substance present (ex: color, density, boiling point)
 Definition
intensive physical property
Term
helium-4 nucleus (4/2 He)
 Definition
alpha
Term
high speed electron (0/-1e-, B)
 Definition
beta
Term
high energy photon (excess energy)
 Definition
gamma
Term
antiparticle of the electron
 Definition
positron
Term
terms for each isotope of an atom
 Definition
nuclide
Term
protons and neutrons found in nucleus, code name
 Definition
nucleon
Term
negative ion (nonmetals)
 Definition
anion
Term
positive ion (metals)
 Definition
cation
Term
charge of electron w units
 Definition
1.602x 10^-19 Coulombs
Term
the closer the proton to neutron ration, the _______
 Definition
less radioactive the nuclide is
Term
what is used to study the thyroid?
 Definition
iodine
Term
what is used to study the red blood cells
 Definition
iron
Term
what is used to study the heart muscle after a heart attack?
 Definition
thallium
Term
name for group 1
 Definition
alkali metals
Term
name fro group 2
 Definition
alkaline earth metals
Term
name for group 7
 Definition
halogens (salt formers)
Term
name for group 8
 Definition
noble gases
Term
mass of proton
 Definition
1.673x10^-27kg
Term
mass of neutron
 Definition
1.675x10^-27
Term
mass of electron
 Definition
9.11x10^-31
Term
unequal sharing of electrons
 Definition
polar
Term
equal sharing of electrons
 Definition
nonpolar
Term
substance that produces OH ions in an aqueous solution, proton acceptor
 Definition
base
Term
loss of electrons
 Definition
oxidation
Term
gained electrons
 Definition
reduction
Term
Molarity formula
 Definition
moles solute/liters solution
Term
Sb-Antimony
 Definition
stibium
Term
Hg-Mercury
 Definition
Hydragyrum
Term
K-Potassium
 Definition
Kallium
Term
Pb-Lead
 Definition
Plumbum
Term
Fe-Iron
 Definition
Ferrum
Term
Au-Gold
 Definition
Aurum
Term
Ag-Silver
 Definition
Argentum
Term
Sn-Tim
 Definition
Stannum
Term
Na-Sodium
 Definition
Natrium
Term
W-Tungsten
 Definition
Wolfram
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