Things to

Notes

Things to Know for the Final Exam • Know the definition for matter, atoms, elements, molecules, and compounds. • Know the three states of matter and the differences between them. • Be able to identify matter as being a mixture or pure substance. If it is a pure substance, you need to know the difference between elements and compounds. If it is a mixture, you need to know the difference between a homogeneous and heterogeneous mixture. • Know the differences between physical and chemical properties, intensive and extensive properties, and physical and chemical changes. • Know the difference between SI units and metric units. Know what units to use depending on what is being measured. You need to have memorized the SI units for mass, length, temperature, time, and amount of substance. • Be able to convert from one unit to another. • Know the definition for mass, length, and temperature. Know the difference between the Celsius scale, Kelvin scale, and Fahrenheit scale in temperature. Know how to convert between the three scales. • Know how to do conversions involving volume. • You need to know how to calculate density. You also need to know how to use density to convert from mass of a ...