CHM151 Final Exam Review Guide ACTUAL UPDATED QUESTIONS AND CORRECT
ANSWERS
Speed of light constant 3.00 x 10^8
Speed of light equation c = wavelength x frequency
Quantum # energy level; matches the row on the periodic table (n=3 elements from the 3rd
row)
, Orbital levels for n=1, n=2, n=3, n=4 n=1: s^2
n=2: s^2, p^6
n=3: s^2, p^6, d^10
n=4: s^2, p^6, d^10, f^14
Ionization _______________ across a period and ________________ Increases, decreases
down a group
As you move down a column on the periodic table, the Increases, decreases
atomic radius __________ and the electron affinity ________
Atomic radius size of an atom
Electron affinity measure of attraction to a new electron
How many valence electrons can be found in Sn+2 (it is in 2
the 14th column)
Symmetrical geometry Linear, Trigonal planar, tetrahedral
Steps for finding if a molecule is linear 1. Draw the lewis structure
2. Assess if drawing is symmetrical
Nonpolar equal sharing of electrons, symmetrical
Polar unequal sharing of electrons, asymmetrical
Triple bonds are _____ and____ than single bonds of the Stronger and shorter
same atom
What equation would you use to solve: A 3.50 mol V1/T1 = V2/T2
sample of gas occupying 1.42 liters was heated from
35.0oC to 95.0oC. What is its new volume?
ANSWERS
Speed of light constant 3.00 x 10^8
Speed of light equation c = wavelength x frequency
Quantum # energy level; matches the row on the periodic table (n=3 elements from the 3rd
row)
, Orbital levels for n=1, n=2, n=3, n=4 n=1: s^2
n=2: s^2, p^6
n=3: s^2, p^6, d^10
n=4: s^2, p^6, d^10, f^14
Ionization _______________ across a period and ________________ Increases, decreases
down a group
As you move down a column on the periodic table, the Increases, decreases
atomic radius __________ and the electron affinity ________
Atomic radius size of an atom
Electron affinity measure of attraction to a new electron
How many valence electrons can be found in Sn+2 (it is in 2
the 14th column)
Symmetrical geometry Linear, Trigonal planar, tetrahedral
Steps for finding if a molecule is linear 1. Draw the lewis structure
2. Assess if drawing is symmetrical
Nonpolar equal sharing of electrons, symmetrical
Polar unequal sharing of electrons, asymmetrical
Triple bonds are _____ and____ than single bonds of the Stronger and shorter
same atom
What equation would you use to solve: A 3.50 mol V1/T1 = V2/T2
sample of gas occupying 1.42 liters was heated from
35.0oC to 95.0oC. What is its new volume?
