Concepts of Chemistry

CHEMISTRY TIMELINE 2016-2017
TOPICS LABS - ACTIVITIES
Introduction to Chemistry (ch.1) LABS:
WHY STUDY CHEMISTRY? (Week 1-3) Solid or liquid?
Making systematic observations of a mixture
TOPICS 1.1, 1.2, 1.3. corn starch and water.
OBJECTIVES:
Identify areas of study in Chemistry. Bubbles! (making hypothesis)
Relate pure to applied chemistry. Mixture of water, dish detergent and sodium
chloride.
Identify steps in the scientific method. ACTIVITIES:
Presentation of equipment in the lab.
Video about lab safety
Matter and Change (ch.2) (week 4-6) LABS:
WHAT IS THE DIFFERENCE BETWEEN A PHYSICAL Separating Mixtures! (using paper
AND A CHEMICAL CHANGE OF MATTER? chromatography)
Explosion of gummy bears
Topics 2.1, 2.2, 2.3, 2.4
OBJECTIVES: Distillation of purple peruvian corn (obtaining
Identify Properties of matter. purple pigment concentrate and distillated water)
Distiguish homogeneous and herterogeneous
mixture.
Describe ways to separate mixtures.
Identify the chemical symbols of elements. ACTIVITIES:
Describe what happens during a chemical change. Exposition of different mixtures, substances, and
Apply the law of conservation of mass to chemical process of filtration and screening.
reactions.
Video about pigments: Cochineal
Scientific Measurement (ch. 3) Labs:
(week 7-9) Calculate Density from a mass-volume graph.
Objectives:
Distinguish among accuracy, precision, and error
of a measurement. Activity
List International System of units of measurements Measure the dimensions of objects in class
Calculate the density of a material. Show the use of a hydrometer
Atomic Structure (ch.4) Activity
(week 10-12) Modeling the structure of an atom using a
Objectives: pizza box.
Identify types of subatomic particles Determine the atomic mass of isotopes.
Describe the structure of atoms
Explain isotopes, calculate the number of The Black Box- Determine the shape of a fixed
neutrons and atomic mass of an element. object inside a sealed box without opening the
box.
Electrons in atoms (ch.5) Labs:
(week 13-15) Flame tests
Objectives: Determine the identity of the cation
Identify the new proposal in the Borh model in a solution based on its characteristic color in a
Describe the energies and positions of electrons flame.
according to the quantum mechanical model
Describe how to write the electron configuration Activity:
for an atom Built a spectroscope and use it to measure the
Describe the relationship between the wavelengths, frequencies, and energy of atomic
wavelength and frequency of a light. emission lines.
The periodic table (ch.6) Activity:
(week 16-18) Build periodic tables point out the sections of
Objectives: metals, non metals and metalloids.
Explain how elements are organized in a periodic
table. Build three-dimentional models for periodic
Describe the information in a periodic table. trends using straws.
Classify elements based on electron configuration
Distinguish representative elements and
transition metals.
Explain how ions form.
Ionic and Metallic Bonding (Ch. 7) Labs:
(week 19-21) Shapes of crystalline materials
Objectives: (sodium chloride, sucrose, sodium hydrogen
Determine the number of valence electrons in an carbonate and magnessium sulfate)
atom of a representative element.
Explain how the octet rule applies to atoms of Solutions containing ions
metallic and nonmetallic elements. (ions in solution conduct an electric current)
Describe how cations form.
Explain how anions form.
Explain the electrical charge of an ionic compound. Activity:
Describe the arrangement of atoms in a metal. Model the valence electrons of an atom, using
Explain the importance of alloys. plastic eggs and marbles.
Covalent Bonding (Ch. 8) Activity:
(week 22-24) Modeling molecular compounds, showing
Objectives: the atoms and the type of bonds.
Distinguish between the melting points and
boiling points of molecular compounds and ionic Strengths of Covalent Bonds
compounds. Compare and contrast the stretching of rubber
Describe how electrons are shared to form covalent bonds and the dissociation energy of covalent
bonds and identify exceptions to the octet rule. bonds.
Demonstrate how electron dot structures
represent shared electrons.
Describe how atoms form double or triple
covalent bonds.
Chemical Names and Formulas (Ch.9) Labs:
(week 25-27) Names and Formulas for Ionic Compounds
Objectives:
Identify the charges of monatomic ions by using Making Ionic Compounds
periodic table, and name the ions. (mix solutions containing cations ans anions to
Define a polyatomic ion and write the names and make ionic compounds)
formulas of the most common polyatomic ions.
Identify the two common endings for the names
of most polyatomic ions.
Apply the rules for naming and writing formulas Activity:
for binary ionic compounds. Element Name Search
Apply the rules for naming and writing formulas (Be aware of the substances in ordinary products
for compounds with polyatomic ions. and how they are named)
Interpret the prefixes in the names of molecular
compounds in terms of their chemical formulas.
Apply the rules for naming and writing formulas
or binary molecular compounds.
Apply three rules for naming acids.
Apply the rules for naming bases.
Chemical Quantities (Ch. 10) Labs:
(week 28-30) Counting by Measuring Mass
Objectives: (Determine the mass of several samples of
Define Avogrado's number as it relates to a mole chemical compounds and use the data to count
of a substance. atoms)
Distinguish between the atomic mass of an
element and it's molar mass. Percent Composition
Describe how the mass of a mole of a compound (Measure the percent of water in a series of
is calculated. crystaline compounds called hydrates)
Describe how to convert the mass of a substance
to the number of moles of a substance, and moles Activity:
to mass. Measure the distance between the earth surface
Identify the volume of a quantity of gas at STP. and the sun in number of rice grains.
Chemical Reactions (Ch. 11) Labs:
(week 31-33) Chemical reaction of sugar and sulfuric acid
Objectives: Chemical reaction of hydrogen peroxide and
Describe how to write a skeleton equation. potassium iodide.
Describe the steps for writing a balanced chemical
equation. Removing Silver Tarnish
Describe the five general types of reactions. (describe and write a balanced chemical equation
Predict the products of the five general types of
reactions. Precipitation Reaction
(Observe, identify, and write balanced
equations for precipitations reactions.
Stoichiometry (Ch. 12) Labs:
(week 34-36) Analysis of Baking Soda
Objectives: (Determine the mass of sodium hydrogen
Interpret balanced chemical equations in terms of carbonate in a sample of baking soda using
moles, representative particles, mass, and gas stoichiometry)
volume at STP.
Identify the quantities that are always conserved Limiting Reagents
in chemical reactions. (Illustrate the concept of a limiting reagent in
Construct mole ratios from balanced chemical a chemical reaction)
equations and apply these ratios in stoichiometric
calcuations.
Calcuate stoichiometric quantities from balanced
chemical equations using units of moles, mass
representative particles, and volumes of gases at
STP Identify the limiting reagent in a reaction.