Peter, James, and John performed an experiment on acids, bases, and solvents inside the laboratory. Each of them held a half-full flask of aqua fortis, caustic potash, and acetone, respectively. Who among these three must wear safety glasses in performing their experiment? O Peter and James O John and Peter O Peter, James, and John O James and John

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Q: PART 2-LABORATORY HAZARDS EXPLANATION HAZARD

A:

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Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.