chem angles Flashcards
1
Q
linear
A
180
2
Q
trigonal planar
A
120
3
Q
bent
A
120 or 109.5
4
Q
tetrahedral
A
109.5
5
Q
trigonal pyramidal
A
109.5
6
Q
Which elements can have 2 electrons in a Lewis structure?
A
H
7
Q
Which elements can have 6 or 8 electrons in a Lewis structure?
A
B and Al
8
Q
Which elements can have 8 or 10 electrons in a Lewis structure?
A
P
9
Q
Which elements can have 10 or 12 electrons in a Lewis structure?
A
Xe and S
10
Q
Find weight percent
A
(mass solute/mass solution) 100
11
Q
Find volume percent
A
(volume solute/volume solution) 100
12
Q
Find molarity
A
(moles solute/L solution)
13
Q
Find molality
A
(moles solute/kg solvent)
14
Q
Find dilution
A
M1V1=M2V2
15
Q
Values of pressure, vol, temp, mol at STP
A
pressure = 1 atm
vol = 22.4L
temp = 0C or 273 K
mol = 1 mol
