Lab #4: Isotopic Pennies
The purpose of this lab is to determine the amount of atoms of Isotope A and B of a
recently discovered new element, coinium, inside a sealed envelope on the
Lab #1: Physical and Chemical Properties
Purpose: The purpose of this experiment is to improve our knowledge and be able to
clarify important distinctions between the physical and chemical properties of matt
Lab #2: Separation of Mixtures
Purpose: Recently contaminated by an overturned truck, 3.8 x 104 liters of food
waste, including garlic powder, vegetable oil, coffee grounds, and salt, flooded into
Lab #3: Specific Heat of a Metal
The purpose of this experiment was to determine the specific heat capacity of a
metal, which in this case, is lead. Since the specific heat of water is already known
Lab #5: Metals/Nonmetals
The purpose of this experiment is to differentiate and to classify seven unknown
elements as metals, metalloids, or non-metals, by carefully observing the physical
POGIL rewrite for Cracking the Periodic Table Code
Cracking the Periodic Table Code
Why arent the elements listed in alphabetical order?
-As charts go, the periodic table is a bit odd. Its not square. Large portions of the table appear to be
Ionic- Draw the Lewis Dot structures for these Ionic Compounds.
Remember Positive ions have _ valence electrons and negative ions have _ valence
1. Sodium and fluorine
WS Covalent Lewis Dot Structures
What is the duet rule? Which atom does this apply to?
What is the octet rule?
Draw the electron dot (Lewis) structures for each covalent molecule.
Which molecules above
WS Empirical/Molecular Formulas
1) The empirical formula of a compound is CH. Its molar mass is 52.07 g/mole. What is its
2) Whats the empirical formula of a molecule containing 65.5% carbon, 5.5% hydrogen,
and 29.0% oxygen?
Chemical Rxns/Balancing equ./Stoichiometry
Part I - Name the types of chemical reactions (synthesis, decomposition, etc.)
Part II- Balance the chemical reactions
Part III- Calculation
1. _HI(aq) _ H2 (g) + _ I2 (aq)
506g of HI p
CHEMISTRY PERIOD #:
WORKSHEET: Mole Relationships
01. How many moles of atoms are contained in 78.4 L of Neon at S. T .P.?
02. How many molecules are contained in 134.5 L of O2 at S. T.P.?
03. What is the mass of 1.59 moles of Ca(ClO3)2?
Give either the name or formula (with the correct charge) for each of the
Measurement Review Sheet #1
1. How many significant figures are there in each of the following values?
a. 6.07 x 10-15
d. 8 x 108
2. Use scientific notation to express the nu
WS Density #2
Using Table S in the Chemistry reference tables, solve these problems.
1mL= 1 cm3=1 cc ; 1L =1,000cm3 ; 1kg =1,000g
1. How many grams of Helium would it take to fill a blimp that has a volume of 2.00 x
2. An iron beam has a mass
Calculations with Scientific Notation
Make sure that the number in scientific notation is put into your calculator correctly.
Read the directions for your particular calculator. For inexpensive scientific calculators:
Punch the number (t
mole _ of _ solute
liters _ of _ solution
1. What is the molarity of a 2.0L solution that was made up with 4.0 moles of NaCl?
2. How many liters of solution are needed to make a 0.5M solution with 2.0 moles of
Determine the type of bonds
Al and F
Na and Br_ N and
C and O
O and H
_ P and
Ba and Se_ Na and P_ Sr and
Draw the Lewis Dots
Ionic- Draw the Lewis Dot structures for th
Use the given standard enthalpies of formation to determine the heat of reaction of the following reaction:
Note Heat of formation of elements is 0.
Hof N2H4(l) = +50.6 kJ/mole
Hof H2O(l) = -285.9 kJ/mole
Hof CO2(g) = -393.5 kJ/mole
Naming Chemical Compounds #2
Directions: Write the name of each of the following compounds using the Roman
Numeral notation for oxidation states.
1. What is the volume of a liquid with a density of 1.5 g/ml and a mass of 78g?
2. What is the density of an object with a mass of 34g and a volume of 13 cm3?
3. What is the mass of an object with a density of 5.7 g/cm3 and
Velocity (speed of light) = Wavelength x Frequency c= 3.0 x 108m/s
E = h =hcE=Energy
h= Plancks Constant 6.626 x 10-34 J s
1. A wave at sea travels with a velocity of 25 m/s. If it has a wavelength of 10 m, what is its
1. 1.2 m + 2.35 m = _
2. 2.6538 cm x 2.1 cm = _
3. 5.681 dm 2 dm = _
4. 3845.2 m3 25.2354 m = _
5. 25 cm + 3 cm = _
6. 1.2 m x 2 m2 = _
7. 859678.2354 cm 568426.1 cm = _
8. 5.3 m x 5.2398 m x 2 m = _
9. 45.25252 nm + 45.8563 nm = _
Determine the Electronegativity difference between these atoms. Then determine the type of
Difference in electronegativity
Hydrogen and oxygen
Magnesium and Sulfur
Strontium and fluorine