Atoms and Electrons
Trends and Weights
Dipole
Geometry
Naming/Lewis Dot
100
How many neutrons does the following species have?
10 Neutrons
100
What is the trend for increasing atomic radius?
Down and Left
100
The species S2- is isoelectronic with which Noble Gas?
Argon
100
Provide the geometry for the following molecular molecule:
CF2H2
Tetrahedral
100
Name the following compound:
XeF6
Xenon Hexafluoride
200
How many electrons can fit inside a "p" subshell?
How many electrons can fit inside a "p" orbital?
6
2
200
What is the trend for increasing electron affinity?
Up and Right
200
Which of these bonds would be considered "non-polar"
N-Cl
C-O
C-H
H-Cl
N-Cl
200
Provide the geometry for the following molecular molecule:
BF3
Trigonal Planear
200
What is the formula for Calcium Selenate
Ca(SeO4)
300
Which of the following is an alkali metal?
F, Cs, Mg, Mo, Nb, Ba
Cs
300
What is the mole percentage of oxygen for the compound ethanol (CH3CH2OH)?
~11.1%
300
Given a C-O bond, in what direction would the dipole moment vector run?
~Towards the O
~Towards the C
~No net moment
Towards the O
300
Provide the geometry for the following molecular molecule:
NH3
Trigonal Pyramidal
300
Name the following compound:
H2SO4
Sulfuric Acid
400
What is the electron configuration of elemental sulfur? (S0)
1s22s22p63s23p4
400
Determine the empirical formulas for compounds with the following percent compositions:
15.8% Carbon
84.2% Sulfur
CS2
400
Where would you expect the negative red region in an electrostatic water map?
O Atom
400
Provide the geometry for the following molecular molecule:
H2S
Bent
400
Give the formal charge for both species in the following structure.
C = -1
O = +1
500
A cation is a species that has...
~Lost electrons
~Positive Overall Charge
500
How many valence electrons does the species elemental Helium have?
2
500
In the molecule difluoromethane, CF2H2, would you expect there to be a net dipole moment?
Yes
500
Provide the geometry for the following molecular molecule:
Sulfate
Tertahedral
500
Draw the Lewis dot structure for the following compound:
Octane