Study Guide: Holt McDougal Modern Chemistry Study Guide Houghton Mifflin Harcourt Modern Chemistry® A perfect companion to Holt McDougal Chemistry, this resource reinforces essential TEKS content, vocabulary and skills presented in the textbook. Grades: 9-12 Material Type: Student Materials Format: Softcover, 208 Pages ISBN-13/EAN: 9780544046436 ISBN-10: 0544046439 Product Code: 1532203 National/State: Texas Copyright Year: 2015