INTRODUCTION TO CHEMISTRY Objectives for Hour Exam I

Objectives for Hour Exam I Determine the number of significant digits in a number. Convert between standard and scientific notation. Convert between Celsius, Fahrenheit and Kelvins. Name the units for mass, length and volume in the metric system and convert from one unit to another. Given a list of substances, identify elements, compounds and mixtures. Objectives for Hour Exam I

Given mass and volume, determine an object’s density Given mass and volume, determine an object’s density. If given density and mass or volume, calculate the missing quantity. Interpret a chemical formula and determine the number of metal and nonmetal atoms represented. List characteristics of metals and nonmetals. Differentiate between chemical and physical properties and changes. Given a description of a chemical process, identify reactants and products. From a list of physical properties, determine the state of matter for a substance at a given temperature. Objectives Continued

Given a symbol for an element, provide the name and if given the name, provide the symbol. Given a substance at a specific temperature, determine the number of phases present. Given a solid’s mass and a graduated cylinder’s reading of volume before and after the solid is dropped into the liquid, determine the solid’s density. Also identify the solid if a list of densities is provided. Perform calculations involving specific heat. Objectives Continued