CHEM TUTORIAL Combining Elements Into (YEAR 1 CHEM
When Elements Combine To Form Compounds. Web a compound is a substance that contains two or more elements chemically combined in a fixed proportion.
Web a compound is a substance that contains two or more elements chemically combined in a fixed proportion.
Web a compound is a substance that contains two or more elements chemically combined in a fixed proportion. Web a compound is a substance that contains two or more elements chemically combined in a fixed proportion.