1Empirical and Molecular Formula of aCompoundGeneral Chemistry 1First QuarterANALYN D. DALANGDeveloperDepartment of Education •Cordillera Administrative Region
2Republic of the PhilippinesDepartment of EducationCordillera Administrative RegionSchools Division of BenguetWangal, La Trinidad, BenguetPublished by:Curriculum Implementation Division–Learning Resource Management SectionCOPYRIGHT NOTICE2021Section 9 of Presidential Decree No. 49 provides:“No copyright shall subsist in any work of the Government of thePhilippines. However, prior approval of the government agency of office whereinthe work is created shall be necessary for exploitation of such work for profit.”This material has been developed for the implementation of K-12 Curriculumthrough the Curriculum Implementation Division (CID)—Learning ResourceManagement and Development System (LRMDS). It can be reproduced for educationalpurposes and the source must be acknowledged. Derivatives of the work includingcreating an edited version, an enhancement or a supplementary work are permittedprovided all original work is acknowledged and the copyright is attributed. No work maybe derived from this material for commercial purposes and profit.
What I KnowPre-Assessment:The following activity aims to assess your prior knowledge in findingthe empirical and molecular formulas of a compound.What to do before (Pre-Test)Take the pretest before proceeding to the lessons. Check your answers against theanswer key at the end of the module.Multiple Choice:Write the best letter of your answer in your answer sheet. Use capitalletters only.1. Which of the following refers to a formula with the lowest whole number ratio ofelements in a compound?
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2. Which of the following refers to a chemical formula that shows the actual number andkinds of atoms present in one molecule of a compound?