## Robbert Goddard

The Unit 7 Test Review The test will consist of 25 multiple choice questions. Scantron answer documents will be used. You will need a #2 pencil and a calculator. A periodic table will be provided. In order to be successful with this test you need to know your diatomics and polyatomic ions. Be sure you can write formulas and balance ionic charges. Please study your notes, quizzes, and practice worksheets. Be sure to complete the WebAssign. Name a hydrate Write the formula for a hydrate Calculate the percent by mass of water in a hydrate using a given formula Calculate the percent by mass of water in a hydrate using lab data Determine the formula of a hydrate using lab data (similar to the hydrate lab) Differentiate between basic state of matter symbols: (s), (l), (g), (aq)