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Chemistry Grade Level
Expectations (GLEs) |
Physical
Science
Measurement and Symbolic
Representation
1. Convert
metric system units involving
length, mass, volume, and time
using dimensional analysis
(i.e., factor-label method)
2.
Differentiate between accuracy
and precision and evaluate
percent error
3.
Determine the significant
figures based on precision of
measurement for stated
quantities
4. Use
scientific notation to express
large and small numbers
5. Write
and name formulas for ionic and
covalent compounds
6. Write
and name the chemical formula
for the products that form from
the reaction of selected
reactants
7. Write a
balanced symbolic equation from
a word equation
Atomic Structure
8. Analyze
the development of the modern
atomic theory from a historical
perspective
9. Draw
accurate valence electron
configurations and Lewis dot
structures for selected
molecules, ionic and covalent
compounds, and chemical
equations
10.
Differentiate among alpha, beta,
and gamma emissions
11.
Calculate the amount of
radioactive substance remaining
after a given number of
half-lives has passed
12.
Describe the uses of radioactive
isotopes and radiation in such
areas as plant and animal
research, health care, and food
preservation
13.
Identify the number of bonds an
atom can form given the number
of valence electrons
The Structure and Properties of
Matter
14.
Identify unknowns as elements,
compounds, or mixtures based on
physical properties (e.g.,
density, melting point, boiling
point, solubility)
15.
Predict the physical and
chemical properties of an
element based only on its
location in the periodic table
16.
Predict the stable ion(s) an
element is likely to form when
it reacts with other specified
elements
17. Use
the periodic table to compare
electronegativities and
ionization energies of elements
to explain periodic properties,
such as atomic size
18. Given
the concentration of a solution,
calculate the predicted change
in its boiling and freezing
points
19.
Predict the conductivity of a
solution
20.
Express concentration in terms
of molarity, molality, and
normality
21. Design
and conduct a laboratory
investigation in which physical
properties are used to separate
the substances in a mixture
22.
Predict the kind of bond that
will form between two elements
based on electronic structure
and electronegativity of the
elements (e.g., ionic, polar,
nonpolar)
23. Model
chemical bond formation by using
Lewis dot diagrams for ionic,
polar, and nonpolar compounds
24.
Describe the influence of
intermolecular forces on the
physical and chemical properties
of covalent compounds
25. Name
selected structural formulas of
organic compounds
26.
Differentiate common biological
molecules, such as
carbohydrates, lipids, proteins,
and nucleic acids by using
structural formulas
27.
Investigate and model
hybridization in carbon
compounds
28. Name,
classify, and diagram alkanes,
alkenes, and alkynes
29.
Predict the properties of a gas
based on gas laws (e.g.,
temperature, pressure, volume)
30. Solve
problems involving heat flow and
temperature changes by using
known values of specific heat
and latent heat of phase change
Chemical Reactions
31.
Describe chemical changes and
reactions using diagrams and
descriptions of the reactants,
products, and energy changes
32.
Determine the concentration of
an unknown acid or base by using
data from a titration with a
standard solution and an
indicator
33.
Calculate pH of acids, bases,
and salt solutions based on the
concentration of hydronium and
hydroxide ions
34.
Describe chemical changes by
developing word equations,
balanced formula equations, and
net ionic equations
35.
Predict products (with phase
notations) of simple reactions,
including acid/base,
oxidation/reduction, and
formation of precipitates
36.
Identify the substances gaining
and losing electrons in simple
oxidation-reduction reactions
37.
Predict the direction of a shift
in equilibrium in a system as a
result of stress by using
LeChatalier's principle
38. Relate
the law of conservation of
matter to the rearrangement of
atoms in a balanced chemical
equation
39.
Conduct an investigation in
which the masses of the
reactants and products from a
chemical reaction are calculated
40.
Compute percent composition,
empirical formulas, and
molecular formulas of selected
compounds in chemical reactions
41. Apply
knowledge of stoichiometry to
solve mass/mass, mass/volume,
volume/volume, and mole/mole
problems
42.
Differentiate between activation
energy in endothermic reactions
and exothermic reactions
43. Graph
and compute the energy changes
that occur when a substance,
such as water, goes from a solid
to a liquid state, and then to a
gaseous state
44.
Measure and graph energy changes
during chemical reactions
observed in the laboratory
45. Give
examples of common chemical
reactions, including those found
in biological systems
Forces and Motion
46.
Identify and compare
intermolecular forces and their
effects on physical and chemical
properties
Interactions of Energy and
Matter
47. Assess
environmental issues related to
the storage, containment, and
disposal of wastes associated
with energy production and use
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