Chemistry 100
Week 5 Day 2:
Chapter 3 Electronic Structure and the Periodic Law
*Nobel Gases are stable, because there valence electron shell is FULL.
They have 8 electrons which is the magic number.
*Element become Ions by gaining or losing Electrons
*M
Quiz 2 (10 points)
Dr. Taylor
Chemistry 111
Spring 2012
Name
Answers
First AND Last
_D_1. Trail mix would be an example of
A. A qualitative property
B. A quantitative property
C. A homogeneous mixture
D. A heterogeneous mixture
E. An intensive property
_A
Quiz 6 (10 points)
Dr. Taylor
Chemistry 111
Spring 2012
Name
Answers
First AND Last
Question 1 (2 points) Given the following isotope/ion of technetium provide the following:
99
Tc 3+
43
number of electrons
number of protons
number of neutrons
40
43
56
Qu
Quiz 7 (10 points)
Dr. Taylor
Chemistry 111
Spring 2012
Name
Answers
First AND Last
Question 1 (5 points) How many atoms are in 34.94 grams of Zinc (MM= 65.37 g/mol)?
34.94 g x
Quiz 7 (10 points)
Dr. Taylor
1 mole x
65.37 g
6.022 x 1023 atoms
1 mole
Chemi
Quiz 12 (10 points)
Dr. Taylor
Chemistry 111
Spring 2012
Name
Answers
First AND Last
Question 1(1 point): If the principle quantum number is 4, what values can the angular momentum number (l)
have?
3, 2, 1 and 0
Question 2 (1 point): How many electrons ca
Quiz 11 (10 points)
Dr. Taylor
Chemistry 111
Spring 2012
= h
mu
h = 6.626 x 10-34 J*sec
_C_Question 1 (1 point): Which of the
following is responsible for the theory that it is
impossible to know the exact position and energy of
an electron?
A.
B.
C.
D.
E
Quiz 10 (10 points)
Dr. Taylor
Chemistry 111
Spring 2012
E = h
Name
answers
First AND Last
C = C= 3.00 x 108 h = 6.626 x 10-34 J*sec
Answer only 1 of the 2 questions below
1. What is the wavelength of a photon if the energy for the light is 192.7 KJ/ mol
Quiz 8 (10 points)
Dr. Taylor
Chemistry 111
Spring 2012
Name
First AND Last
_Question 1 (1 points) The equation Q1Q2 is the equation to determine
d
A.
B.
C.
D.
E.
Chemical Energy
Thermal Energy
Kinetic Energy
Electrostatic Energy
The Law of conservation o
Quiz 3 (10 points)
Dr. Taylor
Chemistry 111
Spring 2012
Name
Answers
First AND Last
Question 1 (1 point): Report the Length of the nail below
5.51 cm (you always report one more value than what you
have a marking for)
Question 2 (2 points): Fill out the t
Quiz 4 (10 points)
Dr. Taylor
Chemistry 111
Spring 2012
Name
Answers
First AND Last
Question 1 (1 point): Report the following number in Scientific Notation
5, 729, 000, 000
5.79 x 109
Question 2 (1 point) Do the following problem (Make sure your answer h
Quiz 5 (10 points)
Dr. Taylor
Chemistry 111
Spring 2012
Name
First AND Last
Convert 32 ft/sec2 to meters/min2
Given: 1 foot = 12 inches
1 inch = 2.54 cm
32 ft
Sec2
x
12 in
1 ft
x
2.54 cm
1 in
x
=
(60 sec)2
2
(1 min)
3.5 x 104 meters
min2
Chemistry 100
Week 5 Day 3:
Chapter 3 Electronic Structure and the Periodic Law
*Nonmetals want to Gain electrons
Metallic Property Trends:
Elements in the same period of the Periodic Table become less Metallic and more
Nonmetallic from Left to Right ac
Chemistry 100
Week 1 Day 3:
Chapter 1 Matter, Measurements, and Calculations Continued
*Remember a physical change involves altering the physical state of the
substance in a way that does not change the composition of the substance.
In a chemical change,
Chemistry 100
Week 4 Day 1:
Chapter 2 Atoms and Molecules Continued
*A Mole is just a way to convert between grams and atomic mass units.
- I.e. C-12 has just 12 atomic mass units.
- So 1 gram = 1 mole of AMUs (12 in the case of Carbon-12)
- Or you could
Chemistry 100
Week 1 Day 1:
Chapter 1 Matter, Measurements, and Calculations
*Chemistry: The study of matter and its transformation into different
compounds.
*The freezing point of water is 32F and 0C.
*The boiling point of water is 212F and 100C
*A boil
Chemistry 100
Week 2 Day 2 & 3:
Chapter 1 Matter, Measurements, and Calculations Continued
*Remember: Start with the part of the problem that is not part of the
conversion. Example is gas/road trip problem 280 miles doesnt equal
anything, while 25 miles
Chemistry 100
Week 2 Day 1:
Chapter 1 Matter, Measurements, and Calculations Continued
Exact Numbers:
Are numbers that have no uncertainty (they do not affect significant figures)
A number used as part of a defined relationship between quantities (conve
Chemistry 100
Week 1 Day 2:
Chapter 1 Matter, Measurements, and Calculations Continued
*Water density is 1 g/ml
*Lead density 11.3 g/ml
*Composition of air: 78% Nitrogen, 20% Oxygen
*Chemical compounds are a chemical combination (not a mixture) or 2 or m
Chemistry 100
Week 3 Day 3:
Chapter 2 Atoms and Molecules Continued
*Ions have a charge of +1
*Remember: Atomic mass = the average mass of all the isotopes in an
element
*Molecules = combinations of atoms
*Atoms, molecules and Ions are TINY!
* The molar
Chemistry 100
Week 3 Day 1:
Chapter 1 Matter, Measurements, and Calculations Continued
Density by Water Displacement:
The density of irregularly shaped objects can be measured by water displacement.
Question: Calculate the density of the metal pellets.
I
Chemistry 100
Week 3 Day 2:
Chapter 2 Atoms and Molecules
*Atoms are the smallest fundamental particle that has characteristics
*Molecules are combinations of atoms (such as H2O)
*Keep in mind that the entire Periodic Table is neutral but they can gain o
Quiz 1 (10 points)
Dr. Taylor
Chemistry 111
Spring 2012
Name
Answers
First AND Last
1. (1 points) What is the best way to contact Dr. Taylor?
By email: taylord@cofc.edu
2. (1 point) Is it possible to make up a quiz or an exam if you miss one?
ONLY IF YOU