Midterm Exam Flashes

Mega-
10^6
Kilo-
10^3
Hecto-
10^2
Deca-
10^1
Base Unit
1
Deci-
10^-1
Cent-
10^-2
Milli-
10^-3
Micro-
10^-6
Nano-
10^-9
Pico-
10^-12
Alpha Decay Particle
4-2He
Beta Decay Particle
0/-1 e
Gamma Decay
0/0 weird greek letter that looks like x with a loop
Sig Figs

-All non-zeroes

-Zeroes appearing between non-zeroes, like in 101

-Leading zeroes are not significant, like 0.00052 has two sig figs

-Trailing zeroes containing a decimal point are significant, like 12.3000 has 6 sig figs.

Wavelength
Lambda
Speed of Light
c = 3.00 x 10^8 m/s
Period
T
Frequency
V-like letter
Amplitude
A
6.626 x 10^-34 joules
h
Wavelength equation
lambda = c/v
Energy equation
E = hv-like letter
VSEPR
Valence Shell Electron Pair Repulsion: A theory that predicts some molecule’s shapes based on the idea that pairs of valence electrons surronding an atom repel each other.
N=N (this is supposed to be a triple bond, imagine two valence electron dots also. Sorry.)
Linear, nonpolar
;Formula to convert amount in moles to number of particles
___ mol C x ((6.022 x 10^23 mlc C) / 1 mol C) = ____
Formula to convert number of particles to amount in moles
___ mlc C x (1/(6.022 x 10^23)) = ____ mol C
Formula to convert number of particles to mass
____ atoms x (1 mol/(6.022 x 10^23 atoms)) x (____ g C/1 mol) = ____ g C
Formula to convert mass to number of particles
____ g C3H8O3 x (1 mol/ 92.11 g C3H8O3) x ((6.022 x 10^23 mlc)/1) = _____ molecules
Acetate
C2H3O2+
Ammonium
NH4+
Carbonate
CO3 2-
Hydroxide
OH-
Nitrate
NO3-
Phosphate
PO4 3-
Sulfate
SO4 2-
Calcium Sulfide
CaS
Aluminum Hydroxide
Al(OH)3
Potassium Carbonate
K2CO3
Copper (I) Oxide
Cu2O
Ammonium Sulfate
NH2(HO4)
Zinc Acetate
Zn(O2CCH3)2
Magnesium Phosphate
(MgHPO4)
Iron (III) Chloride
FeCl3
Sodium Nitride
Na3N
Nickel Flouride
NiF2
Li2CO3
Lithium Carbonate
NH4Cl
Ammonium Chloride
MnO2
Manganese (IV) Oxide
AlPO4
Aluminum Phosphate
Cr2(SO4)3
Chromium (III) Sulfate
Fe(OH)3
Iron (III) Hydroxide
Pb(C2H3O2)2
Lead (II) Acetate
NaNO3
Sodium Nitrate
BaBr2
Barium Bromide
Cu3P2
Copper (II) Phosphide
x

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