How Do Elements Combine To Form Compounds - These substances are called compounds. Web sodium and chlorine, two highly reactive elements, combine to form the stable compound sodium chloride. Web a compound is a substance that contains two or more elements chemically combined in a fixed proportion. Web when atoms combine, they gain, lose or share electrons in such a way that the outer shells become chemically. Web when elements combine or join together new substances are formed.
These substances are called compounds. Web sodium and chlorine, two highly reactive elements, combine to form the stable compound sodium chloride. Web a compound is a substance that contains two or more elements chemically combined in a fixed proportion. Web when atoms combine, they gain, lose or share electrons in such a way that the outer shells become chemically. Web when elements combine or join together new substances are formed.