Ohio State Board Nail Technician Practice Exam

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When two or more substances are combined, what is formed?

  1. Molecule

  2. Compound

  3. Element

  4. Solution

The correct answer is: Molecule

When two or more substances are combined, a new substance is formed. In the case of molecules, two or more atoms combine together through chemical bonding to form a new, more complex structure. This is different from elements, which are pure substances made up of only one type of atom. Compounds are also made up of two or more elements, but they are chemically bonded and have different properties than their component elements alone. Solutions are mixtures of substances, but they do not form a new substance as each individual component maintains its own properties. Therefore, the correct answer is A, molecule, as it represents the formation of a new substance through chemical bonding between two or more substances.