When Atoms Combine They Form - Web whenever two or more atoms combine, they form a molecule. It is the smallest unit of a chemical substance. 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 two or more atoms chemically bond together, they form a molecule. Sometimes the atoms are all from the same element.
Web when atoms combine, they gain, lose or share electrons in such a way that the outer shells become chemically. Web when two or more atoms chemically bond together, they form a molecule. Sometimes the atoms are all from the same element. It is the smallest unit of a chemical substance. Web whenever two or more atoms combine, they form a molecule. Web a compound is a substance that contains two or more elements chemically combined in a fixed proportion.