Define chemistry:
Be able to distinguish between the different branches of chemistry:
Organic
Inorganic
Physical
Analytical
Biochemical
Theoretical
Identify isotopes.
Calculate the average atomic mass of an element (Mass x Relative Abundance) units = amu
Extensive vs. Intensive Properties
Physical vs. Chemical Changes
Law of Conservation of Energy-
Matter (flow chart)
Pure Substances
Elements
Compounds
Mixtures
Homogeneous Heterogeneous
Metal & Non-metal Characteristics
Periodic Table (groups & rows)
Define, recognize symbol and units of:
WavelengthFrequencySpeed of light- (know constant)
Know the relation of wavelength and frequency.
Does a wave with a shorter wavelength have a high or low frequency?
Does a wave with a high frequency have a short or long wavelength?
Which color of light has the shortest wavelength, longest wavelength, highest frequency, and lowest
frequency?
Label the symbols in the formula.
c= λν
Solve for frequency and wavelength.
Find the frequency of a wave that has a wavelength of 545 nm. First I need to convert nm into
_____ before I plug the wavelength into the formula. Solve.
Find the wavelength of a light that has a frequency of 4.05x1014s-1. Solve. The answer (wavelength)
will be reported in these units _______.
Convert the following to scientific notation.
0.008
__________
50000
__________
6708
__________
0.0000045
__________
Convert the following to decimal form.
9.0x10-2
___________
7.5x107
___________
1x109
___________
1x10-3
___________
Periodic Table Trends
Draw the trends for:
Electronegativity
Atomic Radius
Which element is more electronegative? (circle)
F
O
Na
Br
Mole Conversions
What is the molecular weight of the following compound:
C12H22O11
How many moles are in 3.52 x 1024 molecules of water?
How many atoms of Zn are in 0.60 mol of zinc?
What is the mass of 2.5 mol of oxygen?
How many grams are in the following:
0.75 L of H2S
3.45 x 1022 molecules SiH4
0.015 mol of O2
2.3 mol of C2H6O2
Calculate the number of moles in:
4.5 x 1021 molecules of N2
What is the equivalent in moles of 135 L of NH3 gas?
Valence eHow many valence e- do the following groups have?
Alkali Metals-
Alkaline Earth MetalsHalogensNoble GasesElectron Configuration
Write the electron configuration for Arsenic:
Which element’s EC is this: 1s1
Orbital Box Diagrams
Draw the orbital box diagram for Sulfur:
Draw the orbital box diagram for Se:
Bonding
Polar CovalentNon-polar CovalentIonicMetallicLewis Dot Structure
What element is never the central atom in a LDS?
Draw the resonance structures for Ozone (O3)
Draw the LDS for BF3
Draw the LDS for N2
Molecular Geometry
Be able to recognize/construct models.
Use chart to identify shapes.
Bond angles
What are the bond angles for the following shapes?
Linear
Trigonal Planar
Bent
Tetrahedral
Trigonal Pyramidal
Trigonal Bipyramidal
Seesaw
T-shaped
Octahedral
Square Pyramidal
Square Planar
VSEPR
What does it stand for? What are the basics behind the theory?
Rules for naming:
Ionic compoundsCovalent compoundsAcidsBe able to write the formula from the name and give the name from the formula.
Describe IMF (ionic, H-bond FON, etc.