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| Which Groups Lose Valence e-, Which Groups Gain e-? |
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Definition
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| Which element in group 2, 7, 13,15 most easily loses its valence e-? Why? |
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Definition
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| Which element in pd 3, 6, 7,5 most easily loses its valence e-? Why? |
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Definition
Na, Cs, Fr, Rb
low ionization energy |
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Term
Which Pairs has the same chemical properties?
Br and Cl
Br and AR
K and Ca
K and Li |
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Definition
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Term
Write the e- config for each one and identify valence e-
Magnesium
Gallium
Sulfur |
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Definition
For e- config refer to pd table
2
3
6 |
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Term
| The modern pd table is organized by? |
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Definition
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How many e- does each have?
N
Ba
C
O |
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Definition
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Term
Determine the Mass of
Cobalt in 8.95X10^45 atoms
Neon 4.05X10^25 atoms |
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Definition
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Term
| Determine the moles of 64.1 g of aluminum 28.1 g of silicon |
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Definition
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Find Relative abundance for each
A) 69.2% for 62.93 amu 30.8% for 64.93 amu |
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Definition
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Term
| Thomson's electrons and rutherford's nucleus prove what about atoms? |
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Definition
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How many moles?
1) A gas at pressure of 1.2 atm, volume 31 liters, temp 87 degrees Celsius |
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Definition
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In this example Boron has 3 valence e-
Which is in the same group
[He]2s^2 2p^3
[Xe]4f^14 5d^10 6s^2 6p^1
[Ar]4s^1 |
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Definition
| [Xe]4f^14 5d^10 6s^2 6p^1 |
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Term
Concentration?
2.50L of 0.10 M lithium acetate diluted to a volume of 3.75L
dilute 1.75L of 1.6M solution of LiCl to 2.0L |
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Definition
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Term
Physical Property?Chemical Property?
Solubility
Phase
Melting Point
Reactivity
Color
Combustibility
Boiling Point |
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Definition
Physical
physical
Physical
Chemical
Physical
Chemical
Physical |
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Term
Intensive? Extensive?
Color
Mass
Density
Volume
Soluble in Water |
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Definition
intensive
extensive
intensive
extensive
intensive |
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Term
[image]
identify as element, mixture or compound |
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Definition
| compound, element, mixture |
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Term
Use > < or = for pressure
[image] |
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Definition
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Which represents solution w/ most gas dissolved
P1 P2
↓ ↓
[image] |
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Definition
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Term
| Does the temp (KE) change for either pure substance during a phase change? |
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Definition
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Term
Balance equations
222 4
Rn > ______ + He
86 2
234 4
______> Th+ He
90 2
234 234
U > Np +___
92 93 |
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Definition
218
Po
84
238
U
92
0
e
-1 |
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Term
What is the solubility for NaNO3
30 degrees celsius
60 degrees celsius
[image] |
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Definition
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