Unit 1 Vocabulary and Objectives
Honors Chemistry I
Matter and Measurement
Vocabulary:
chemical
matter
unit
atom
mixture
chemical reaction
volume
conversion factor
pure substance
homogeneous
states of matter
mass
physical property
element
heterogeneous
reactant
density
molecule
product
quantity
chemical property
compound
Precision
Accuracy
Significant Figure
Physical change
Chemical change
Objectives:
Students should be able to:
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Name and characterize the 3 states of matter.
Distinguish between a physical property and a chemical property.
State examples of physical and chemical properties.
Explain the difference between a physical change and a chemical change.
State examples of physical and chemical changes.
Identify the 4 major indicators of a chemical change
Discuss the importance of using units and a standardized measurement system.
Define and explain the derivation of the volume unit (1 cm 3 = 1 mL).
Perform measurement conversions within the metric system using conversion factors
List the characteristics of pure substances and of mixtures.
Distinguish between elements and compounds.
State the seven elements that exist in nature as diatomic molecules
Explain the difference between homogeneous mixtures and heterogeneous mixtures.
Classify a sample as element, compound, homogeneous, or heterogeneous.
Explain how physical and chemical changes involve transfers of energy.
Distinguish between accuracy and precision.
Determine the number of significant figures in measurements.
Report measurements to the correct number of significant figures based on the accuracy of
the measuring device.
 Use the rules for significant figures in calculations to correctly state the calculated value.
 Restate measurements in scientific notation form.
 Perform multiplication and division calculations for measurements written in scientific
notation. Calculations must include all steps as shown in class.
 Perform addition and subtraction calculations for measurements written in scientific notation.
Calculations must include all steps as shown in class.
 Calculate the density of an object from experimental data.