Chemical Foundations Study Guide

Objectives

· Define matter and know general characteristics of the 3 states of matter and the interconversions of them

· Know the types of matter and be able to identify materials as either elements, compounds, or mixtures

· Know how to identify if a mixture is heterogeneous or homogeneous

· Know the difference between a physical and chemical properties as well as intensive and extensive property

· Know the difference between a physical and chemical change and be able to identify them

· Be familiar with the prefixes of the metric system of measurement and of the temperature scales

· Be able to convert measurements using dimensional analysis

· Be able to convert between the 3 different temperature scales

· Understand the meaning of an exact vs. measured number ( uncertainty)

· Determine the number of significant figures in a measurement and express answers to calculations in the proper number of significant digits

· Be able to calculate density and understand its importance

· Understand the difference between accuracy and precision