Viewing All Flashcards for Chemistry midterm
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(aq) + (aq) = (s) + (aq) (Double Replacement)
LEO = Loss of electron = oxidationGER = Gain of electron = Reduction
(aq) + (aq) = (L) + (aq) (DR)Acid = H^+Base =OH^-
4)
Valence shell electron pair repultion theory. (Theory for molecular shapes, ex= bent)
Normal bonds for sharing electrons
Decides how molecule should be written out.
Ratio of atoms in a molecule (ex= C6-H12-O6 = 1:2:1)
0-0.4, = Nonpolar, 0.5-2 = Polar,2+= Ionic
Transfer of electrons from one atom to another
Specifies which atoms are bonded to which (lewis structures)
11)
Concentration of electrons in an electron cloud
2 electrons max in an orbital
13)
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14)
Electrons are added 1 at a time
15)
Max # of unpaired electrons results
Positive Ions= smaller than atomsNegative Ions= larger than atoms
Left to right = smallerup to down = larger
Defn: energy change when gaining electrons1st grp = neg, last grp = posLeft to right = pos
19)
# of waves that pass thru a certain pt in a given amnt of time
20)
3x10^8 mps C=λV
(einstein) light knocks electrons out of metal
22)
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23)
N=1, n=2, n=3 etc...
Position&momentum of elcectrons can't be simultaneously measured.
Treats electrons as a wave
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28)
Matter wave
29)
Quantum radiation changes temperature
30)
-cathode ray -discovered electrons-plum pudding model -electrone = negative charge
31)
-Gold foil -Very small nucleus-existance of nucleus - positively charged nucleus
32)
Atomic theory of matter
Mult isotopes(fractional abundance) X mass of isotope, then add
34)
Diff # of electrons
α, β, γ alpha = 42 He, beta= 0-1 e, Gamma = 00 Y
Mass # (Protons and electrons)-->13154 Xe -2
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KELVIN IS BIGGER K-273 = C
39)
Gas --> solid
40)
Solid --> gas